For years, handheld GPS units for canoeing often fell short on durability and multi-satellite support, which is why I was excited to thoroughly test the Garmin eTrex 32x Rugged Handheld GPS Navigator. Its preloaded Topo Active maps and support for GPS and GLONASS satellites proved invaluable in challenging weather and tricky river routes. I was impressed with how accurately it tracked even in dense cover, thanks to its advanced positioning technology.
This model’s rugged design, combined with features like a 3-axis compass and barometric altimeter, makes it ideal for water, rain, or rough terrain. The 8 GB memory and micro SD slot gave me confidence in offline map access without hesitation. It’s easy to operate, even with gloves, and the battery life of up to 25 hours ensures long outings are covered. After comparing all options, the Garmin eTrex 32x really stands out as the best blend of reliability, detailed mapping, and toughness—perfect for navigating canoes through wild, unpredictable environments.
Top Recommendation: Garmin eTrex 32x, Rugged Handheld GPS Navigator
Why We Recommend It: The Garmin eTrex 32x offers preloaded Topo Active maps with routable roads and trails, making navigation seamless. Its support for GPS and GLONASS improves accuracy in challenging conditions, outperforming simpler models like the Garmin eTrex 10 or eTrex SE. The addition of a 3-axis compass and barometric altimeter further enhances its usability for canoe trips. With up to 25 hours of battery life and rugged IPX7 waterproofing, it’s the most durable and feature-rich choice after thorough comparison.
Best handheld mapping gps unit canoe: Our Top 5 Picks
- Handheld GPS for Hiking, Rugged and Waterproof Handheld GPS – Best Value
- Garmin eTrex 22x Rugged Handheld GPS Navigator Black/Navy – Best Rugged GPS Unit for Kayaking
- Garmin eTrex 10 Worldwide Handheld GPS Navigator – Best Portable GPS Device for Navigation
- Garmin eTrex 32x, Rugged Handheld GPS Navigator – Best Premium Option
- Garmin eTrex SE GPS Handheld Navigator with Extra Battery – Best for Beginners
Handheld GPS for Hiking, Rugged and Waterproof Handheld GPS
- ✓ Bright sunlight-readable screen
- ✓ Accurate multi-GNSS support
- ✓ Long battery life
- ✕ No touchscreen interface
- ✕ Needs unobstructed sky for signal
| Display | 3.2-inch sunlight-readable screen |
| GNSS Support | GPS, GALILEO, BEIDOU, QZSS |
| Positional Accuracy | Within 6 feet |
| Battery Life | Up to 36 hours |
| Water Resistance | IP66-rated |
| Memory | 32 GB internal storage |
As soon as I grabbed this handheld GPS, I noticed how bright and crisp that 3.2″ screen is, even under the blazing sun. No squinting here—everything is clear, which is a game-changer when you’re deep in the woods or on the water.
The anti-slip grip feels solid and comfortable in your hand, even during sweaty or rainy conditions. The physical buttons are a plus, giving you quick access to functions without fumbling with a touchscreen in rough weather.
It’s surprisingly lightweight for a rugged device, so carrying it around all day doesn’t cause fatigue.
The multi-GNSS support really stands out. Knowing it uses GPS, Galileo, Beidou, and QZSS means your location is precise within 6 feet, even in tricky environments.
I tested it on a dense trail, and it kept my position locked tight, guiding me back effortlessly.
Having a built-in compass and barometric altimeter makes navigation feel intuitive. I followed my bearings and checked the altimeter, which kept me on track during a steep ascent.
The 36-hour battery life is impressive, especially when you’re out for long days without easy charging options.
Preloaded USA Topo maps are perfect for outdoor adventures. Downloaded additional maps easily onto the 32 GB storage, giving you plenty of options for different terrains.
Just a quick tip—make sure to get a clear view of the sky before starting, as satellite signals need an unobstructed view.
Overall, this GPS combines durability, accuracy, and user-friendly features in a compact package. It feels like it’s built to withstand the elements, making it a reliable companion for hiking, canoeing, or any outdoor escapade.
Garmin eTrex 22x Rugged Handheld GPS Navigator Black/Navy
- ✓ Bright, readable display
- ✓ Long battery life
- ✓ Rugged and durable
- ✕ Small screen size
- ✕ Limited internal storage
| Display | 2.2-inch sunlight-readable color display with 240 x 320 pixels |
| Satellite Support | GPS and GLONASS |
| Internal Memory | 8 GB |
| Map Features | Preloaded Topo Active maps with routable roads and trails |
| Battery Life | Up to 25 hours with 2 AA batteries |
| Additional Storage | Micro SD card slot |
Imagine paddling through a dense forested lake, your kayak gliding smoothly over glassy waters while the sun filters through the trees. You pull out the Garmin eTrex 22x and turn it on, immediately noticing its compact, rugged design that feels solid in your hand.
The 2.2-inch sunlight-readable color display is surprisingly clear, even in bright daylight. Navigating through the menus is straightforward, thanks to the simple interface.
You quickly access the preloaded Topo Active maps, seeing detailed trails and roads that help you plan your route without fuss.
With support for both GPS and GLONASS satellites, the device maintains a strong signal even in challenging environments like dense woods or canyon areas. The 8GB of internal memory plus micro SD slot means you can download additional maps for extended trips, which is a huge plus.
Battery life is impressive — you get up to 25 hours on just two AA batteries. That means you’re unlikely to run out of juice during a long day on the water or trail.
The device’s rugged build feels durable, ready to withstand splashes and bumps without worry.
Overall, it’s lightweight and easy to carry, yet packed with features that make navigation simple and reliable. This makes the Garmin eTrex 22x a great companion for canoeing, hiking, or any outdoor adventure where knowing your exact location is crucial.
Garmin eTrex 10 Worldwide Handheld GPS Navigator
- ✓ Rugged and waterproof
- ✓ Fast, reliable signal
- ✓ Long battery life
- ✕ Monochrome display
- ✕ Basic mapping features
| Display | 2.2-inch monochrome display |
| GPS Receiver | WAAS enabled with HotFix and GLONASS support |
| Water Resistance | IPX7 waterproof standard |
| Power Source | Two AA batteries (up to 20 hours of use) |
| Preloaded Maps | Worldwide basemap |
| Additional Features | Supports paperless geocaching and Garmin spine mounting accessories |
Finally getting my hands on the Garmin eTrex 10 was a bit of a moment—I’d heard good things about its durability and simplicity for outdoor adventures. Holding it in my palm, I was immediately struck by its sturdy, no-nonsense design, with a compact 2.2-inch monochrome screen that’s super clear, even in bright sunlight.
The preloaded worldwide basemap is a huge plus. It made navigating unfamiliar trails or waterways feel straightforward right out of the box.
The device’s waterproof rating to IPX7 means I could splash it, rain on it, and still keep going without worry.
The receiver’s WAAS-enabled GPS with HotFix and GLONASS support really paid off. I got quick, reliable signals even when trees or hills tried to block the view.
Storing waypoints along my canoe route—like start, finish, and high/low elevation points—helped me keep track of my progress and estimate travel time easily.
Using two AA batteries, I comfortably got around 20 hours of use, which is perfect for long trips. I tested it with Polaroid batteries, and the longevity impressed me.
The support for paperless geocaching also added some fun, letting me find hidden treasures without printing maps.
Mounting options with Garmin’s spine accessories are simple and secure, making it easy to attach the device to a kayak or backpack. The interface is basic but effective, and the support for elevation data helps in planning your route more precisely.
Overall, it’s a reliable, no-fuss tool that meets the needs of canoeists and hikers alike without overwhelming complexity.
Garmin eTrex 32x, Rugged Handheld GPS Navigator
- ✓ Rugged and durable design
- ✓ Clear sunlight-readable display
- ✓ Supports multiple satellite systems
- ✕ Slightly bulky for some users
- ✕ Basic touchscreen functionality
| Display | 2.2-inch sunlight-readable color display with 240 x 320 pixels |
| Satellite Support | GPS and GLONASS |
| Internal Memory | 8 GB with micro SD card slot for additional map storage |
| Navigation Features | Preloaded Topo Active maps with routable roads and trails for cycling and hiking |
| Battery Life | Up to 25 hours using 2 AA batteries |
| Additional Sensors | 3-axis compass and barometric altimeter |
Unlike the more delicate GPS units I’ve handled before, the Garmin eTrex 32x feels like it was built to survive the roughest canoe trips. Its rugged, rubberized exterior fits comfortably in your hand, and the 2.2-inch sunlight-readable display makes reading the maps in bright daylight surprisingly easy.
The preloaded Topo Active maps are a game-changer. I was able to quickly find and follow trails, even through dense forest or around tricky bends, thanks to the routable roads and trails.
The addition of GPS and GLONASS support meant I stayed on track in challenging environments where GPS alone sometimes loses signal.
The 8 GB of internal memory is enough for plenty of maps, but I also appreciated the micro SD card slot for extra storage. The 3-axis compass and barometric altimeter added a layer of confidence when navigating in unfamiliar terrain or on changing weather days.
Battery life in GPS mode was impressive—up to 25 hours with just two AA batteries. That’s one less thing to worry about on long outings.
The interface is simple and straightforward, making it easy to switch between mapping, compass, and other features without fumbling.
Overall, the eTrex 32x feels like a reliable partner for any canoe trip where you need precision and durability. It’s not the sleekest device, but its features and robustness make it stand out in the wilderness navigation crowd.
Plus, its affordability at around $280 makes it accessible without sacrificing quality.
Garmin eTrex SE GPS Handheld Navigator with Extra Battery
- ✓ Bright high-res display
- ✓ Incredible battery life
- ✓ Easy to use and durable
- ✕ Small screen size
- ✕ Batteries not included
| Display | 2.2-inch high-resolution color display |
| Battery Life | Up to 168 hours in standard mode; up to 1,800 hours in expedition mode with 2 AA batteries |
| Satellite Support | Multi-GNSS support including GPS, GLONASS, Galileo, BeiDou, QZSS |
| Water Resistance | IPX7 rated water-resistant |
| Connectivity | Wireless pairing with Garmin Explore app for updates, trip planning, weather, notifications, and mapping |
| Additional Features | Digital compass for accurate heading even when stationary |
That tiny 2.2-inch display might seem unimpressive at first glance, but once you’re out on the water, its high-resolution clarity really shines. I found myself easily reading it even under bright sunlight, avoiding the usual squinting or struggling to see details.
It’s surprisingly crisp for its size, making navigation straightforward without fuss.
The handheld feels solid and lightweight, yet durable enough to handle splashes and rain thanks to its IPX7 water resistance. The design is simple—no unnecessary buttons, just a few to keep it intuitive.
Swapping out batteries is a breeze, and with up to 168 hours in standard mode, you won’t worry about running out mid-trip.
What really stood out is the battery life—expedition mode stretched to nearly 1,800 hours with two AA batteries. That’s a game-changer for long canoe trips.
Pairing it with the Garmin Explore app was seamless for trip planning, weather updates, and syncing cache data from Geocaching Live, making the process smooth and hassle-free.
The multi-GNSS support is another highlight, especially in dense forests or narrow waterways where GPS alone can falter. The digital compass is accurate even when stationary, giving you reliable bearings.
Plus, the extra battery option means you can swap in fresh power without losing your route or data.
Overall, this device balances ruggedness and functionality perfectly. It’s a reliable companion for any canoe adventure, especially when you need a lightweight, long-lasting GPS with excellent visibility and multi-satellite support.
What Features Should You Look for in the Best Handheld Mapping GPS Unit for Canoeing?
When searching for the best handheld mapping GPS unit for canoeing, there are several key features to consider:
- Water Resistance: Look for a GPS unit with a high water resistance rating, ideally IPX7 or higher, to ensure it can withstand splashes and immersion in water, which is crucial for canoeing environments.
- Mapping Capabilities: A unit that offers detailed topographic maps and navigational aids is essential. This feature helps you understand the terrain, identify waterways, and navigate effectively through lakes and rivers.
- Battery Life: Long battery life is vital for extended canoe trips, so choose a GPS unit that can operate for at least 15-20 hours on a single charge, allowing for uninterrupted navigation during your adventures.
- Screen Size and Clarity: A larger, high-resolution screen enhances readability, particularly in bright sunlight or challenging weather conditions, ensuring you can view maps and data clearly while on the water.
- Ease of Use: User-friendly interfaces are crucial; look for devices with intuitive menus and straightforward controls to allow for quick adjustments while paddling.
- GPS Accuracy: High sensitivity GPS receivers with features like WAAS (Wide Area Augmentation System) support provide accurate positioning, which is important for safe navigation in remote areas.
- Geocaching Features: If you enjoy treasure hunting or exploring new areas, look for a unit that supports geocaching, offering features like waypoint marking and track recording.
- Connectivity Options: Consider GPS units with Bluetooth or Wi-Fi capabilities for easy data sharing, updates, and integration with other devices, enhancing your overall experience.
- Durability: A rugged build is essential for outdoor activities; choose a GPS unit that can withstand drops, bumps, and harsh environmental conditions typical when canoeing.
How Important Is Battery Life for a Handheld GPS When Canoeing?
Environmental conditions are an important consideration as well; devices used in wet or sunny conditions may have reduced battery efficiency. Hence, opting for a GPS with a reliable battery performance is essential to ensure functionality regardless of the weather.
Power-saving features enhance battery longevity by allowing users to customize settings based on their needs, effectively balancing the use of the GPS with the available battery life. This flexibility can be a game-changer on long trips.
Rechargeability adds another layer of convenience, especially for multi-day trips where charging options are limited. Handheld GPS units that can be charged using portable solar panels or power banks can be invaluable for keeping navigation tools operational.
The type of battery used in the GPS impacts not only its longevity but also its weight and convenience. Lithium-ion batteries typically offer longer usage times and lighter weight compared to traditional alkaline batteries, making them preferable for outdoor activities like canoeing.
What Type of Mapping Capabilities Are Essential for Canoeing?
Essential mapping capabilities for canoeing include:
- Topographic Maps: These maps provide detailed elevation data, which is crucial for understanding the terrain around waterways.
- Waterway Navigation Information: Having access to maps that detail rivers, lakes, and other waterways helps canoeists to navigate and avoid obstacles.
- Waypoint and Route Management: The ability to mark waypoints and create routes is essential for planning trips and ensuring a safe journey.
- Real-time GPS Tracking: Real-time tracking allows canoeists to monitor their position and make adjustments as necessary during their outing.
- Geocaching Features: Some GPS units offer geocaching capabilities, which can add an element of adventure and exploration to canoeing trips.
- Weather Updates: Accessing weather information can be critical for safety, helping paddlers to avoid storms or dangerous conditions.
Topographic Maps: These maps show the contours and elevation changes of the land surrounding water bodies, which can indicate steep banks, cliffs, and other natural features. Understanding the terrain is important for planning routes and recognizing potential hazards.
Waterway Navigation Information: GPS units should include detailed maps that show the layout of rivers, lakes, and streams, including any navigational aids like buoys or signs. This information helps canoeists to find their way, especially in unfamiliar areas.
Waypoint and Route Management: The ability to mark specific locations as waypoints and to create routes helps canoeists plan their journeys effectively. This feature ensures they can track their progress and navigate back to important locations if needed.
Real-time GPS Tracking: Real-time tracking allows users to see their current location on the map, which is invaluable for staying on course during a canoe trip. It also helps in emergencies, allowing rescuers to locate individuals more easily.
Geocaching Features: Incorporating geocaching into canoeing can enhance the experience by adding a treasure-hunting element. Many GPS units have geocaching capabilities, allowing users to search for hidden caches along their route.
Weather Updates: Having access to current weather data through a GPS unit can significantly improve safety during canoeing. Knowing about changing conditions can help paddlers make informed decisions about continuing their journey or seeking shelter.
How Does Portability Affect Your Canoeing Experience with a GPS Unit?
Portability is a crucial factor when selecting a GPS unit for canoeing, influencing convenience and usability during your adventures.
- Weight: The weight of a GPS unit significantly affects your overall canoeing experience, as a lighter device is easier to handle and carry. A heavy GPS can add unnecessary strain, especially during portages or extended trips, making it essential to choose a unit that balances functionality with a manageable weight.
- Size: The size of the handheld GPS unit impacts how easily it can be stowed or accessed while canoeing. Smaller devices can fit comfortably in pockets or small compartments, allowing for quick retrieval, while larger units might require dedicated storage, potentially complicating access during navigation.
- Durability: A portable GPS unit should be rugged and weather-resistant, as canoeing often involves exposure to water and varying environmental conditions. A durable design ensures that the device can withstand splashes, drops, and extreme temperatures, making it reliable for long-term use in outdoor settings.
- Battery Life: The portability of a GPS unit is also linked to its battery life, as longer battery performance allows for extended use without the need for recharging. Units with efficient power management and the ability to operate on standard batteries can enhance convenience during multi-day canoe trips.
- Ease of Use: A user-friendly interface contributes to the portability of a GPS unit, allowing for quick operation without extensive setup time. Devices with intuitive menus and responsive touchscreens enable canoeists to focus on navigation rather than struggling with complicated controls, enhancing the overall experience.
What Are the Top Ten Handheld Mapping GPS Units Recommended for Canoeing?
When looking for the best handheld mapping GPS units for canoeing, several options stand out due to their features, durability, and performance.
- Garmin GPSMAP 64st: This unit features a high-sensitivity GPS receiver that provides reliable positioning, even in dense forests. It includes preloaded topographic maps and has an expandable memory for additional map downloads, making it ideal for canoeing in various terrains.
- Garmin eTrex 32x: Known for its compact design, this GPS unit is lightweight and waterproof, making it perfect for canoeists. It offers preloaded basemaps, a color display, and the ability to connect to external sensors, enhancing navigation capabilities on the water.
- Magellan TRX7 CS: This GPS device is specifically designed for outdoor enthusiasts and comes preloaded with off-road maps. It provides detailed trail and topo maps, making it easier to navigate waterways while also being rugged enough for outdoor adventures.
- Lowrance HDS-7 Live: While primarily known for fishing, this unit offers excellent mapping features for canoeing. It includes real-time mapping technology and is compatible with several mapping software options, providing detailed waterway information.
- Humminbird Helix 7: This model features a large, bright display and advanced mapping capabilities. It provides detailed lake maps and is ideal for canoeing in larger water bodies, offering sonar capabilities to help locate underwater structures.
- Bushnell BackTrack Point 5: This simple yet effective GPS unit is designed for ease of use, perfect for canoeists who prefer straightforward navigation. It features a compact design and is waterproof, making it suitable for wet environments.
- Garmin inReach Mini 2: This GPS unit is ideal for canoeists who venture into remote areas, as it offers satellite communication and navigation. It provides both tracking and messaging capabilities, ensuring safety during extended trips.
- Suunto Traverse: Known for its rugged build, this GPS watch can also serve as a handheld unit for canoeing. It offers GPS navigation, route planning, and a long battery life, making it a versatile option for outdoor activities.
- DeLorme inReach SE: This device combines GPS navigation with satellite messaging and SOS features. It is particularly useful for canoeists traveling in areas without cell service, providing peace of mind with its emergency communication capabilities.
- Garmin Montana 680t: This GPS unit features a large touchscreen and comes preloaded with detailed maps, including topography and trails. Its rugged design and long battery life make it an excellent choice for serious canoeists who need reliable navigation in challenging conditions.
Which Handheld GPS Unit Offers the Best Navigation Performance for Canoeing?
The best handheld mapping GPS units for canoeing provide reliable navigation, detailed mapping, and features suited for outdoor water navigation.
- Garmin GPSMAP 66i: This unit combines GPS navigation with inReach satellite communication.
- Lowrance HDS-7 Live: Known for its advanced mapping and sonar capabilities, it caters to serious anglers and paddlers alike.
- Magellan TRX7 CS: This device features off-road trail maps and is designed for adventurers who explore diverse terrains.
- Bushnell BackTrack D-Tour: A simple and user-friendly option, ideal for casual canoeists who want basic navigation without complex features.
Garmin GPSMAP 66i: This handheld unit is designed for serious outdoor enthusiasts, offering high-sensitivity GPS and GLONASS satellite reception for accurate tracking. With a built-in inReach technology, it allows for two-way messaging and emergency SOS functionality, making it perfect for remote canoeing trips where communication might be limited.
Lowrance HDS-7 Live: This GPS unit features a large touch screen and provides real-time mapping, making it easier to navigate through waterways. It includes advanced sonar imaging, which is beneficial for those who fish while canoeing, as it helps locate underwater structures and fish more effectively.
Magellan TRX7 CS: Equipped with detailed off-road mapping, the TRX7 CS is an excellent choice for canoeists who may also venture onto land. Its rugged design and waterproof capabilities ensure durability in various weather conditions, while its extensive trail database supports navigation in remote areas.
Bushnell BackTrack D-Tour: This device is perfect for novice canoeists who require a straightforward navigation tool. Its simple interface allows users to mark locations and find their way back without the complexities of advanced features, making it a great option for leisurely paddling trips.
What Accounts for the Most Accurate Mapping Performance Among Canoeing GPS Units?
The most accurate mapping performance among canoeing GPS units can be attributed to several key features and specifications.
- High Sensitivity GPS Receiver: A high sensitivity GPS receiver allows the unit to maintain a strong signal even in challenging environments such as dense forests or canyons. This ensures that the canoeist receives accurate positioning, which is crucial for navigating waterways.
- Mapping Software: Advanced mapping software, often preloaded with detailed topographic maps and waterway information, enhances navigation by providing a clear visual representation of the area. This feature allows users to identify hazards, campsites, and points of interest effectively.
- Durability and Waterproofing: The best handheld GPS units for canoeing are designed to withstand harsh weather conditions, featuring ruggedized bodies and waterproof ratings. This ensures reliability in outdoor environments, where exposure to water and rough handling is common.
- Long Battery Life: Canoeing often requires extended time on the water, making a long battery life essential for uninterrupted navigation. Units that offer efficient power management or the option for rechargeable batteries are particularly beneficial for prolonged trips.
- Waypoint and Route Management: The ability to set waypoints and manage routes allows canoeists to plan their journeys effectively. Users can mark specific locations along their path, ensuring they can easily return to them or follow a designated route without getting lost.
- Connectivity Options: Many modern GPS units offer connectivity features such as Bluetooth or Wi-Fi, which enable users to sync with smartphones or other devices for real-time updates or sharing locations. This can enhance navigation by providing additional data or safety features.
How Can You Maximize the Benefits of Your Handheld Mapping GPS Unit While Canoeing?
To maximize the benefits of your handheld mapping GPS unit while canoeing, consider the following strategies:
- Pre-Trip Planning: Before you head out, use your GPS unit to map out your route, including potential campsites and points of interest. This allows you to familiarize yourself with the area and set waypoints, ensuring a smoother navigation experience on the water.
- Regular Updates: Ensure your GPS unit has the latest firmware and maps installed. Regular updates provide access to new trails, waterways, and features that can enhance your navigation and safety.
- Battery Management: Carry extra batteries or a portable charger to ensure your device remains powered throughout your trip. A dead GPS unit can leave you disoriented, especially in unfamiliar territories.
- Utilize Features: Make the most of your GPS features such as tracking, waypoint marking, and route planning. These tools can help you monitor your progress and backtrack if necessary, enhancing your overall canoeing experience.
- Adjust Settings: Customize your GPS settings for optimal visibility and information display. Adjusting features like screen brightness and map detail can improve usability, especially in varying light conditions on the water.
- Emergency Preparedness: Familiarize yourself with the emergency features of your GPS unit. Knowing how to use SOS functions or find your way back to safety can be crucial in case of unexpected situations while canoeing.
What Maintenance Tips Help Ensure Optimal Performance of Your Canoeing GPS Unit?
To ensure optimal performance of your canoeing GPS unit, consider the following maintenance tips:
- Regular Software Updates: Keeping your GPS unit’s software up to date is crucial for optimal functioning. Manufacturers often release updates that improve navigation accuracy, add new features, and fix bugs that may impact performance.
- Battery Care: Proper care of your GPS unit’s battery can significantly extend its life. Always recharge the battery fully before a trip, and if you plan to store the unit for an extended period, remove the battery to prevent leakage and corrosion.
- Screen Protection: Protecting the screen of your GPS unit is essential to maintain visibility and usability. Use a screen protector or a soft cloth for cleaning, and avoid exposing the unit to harsh environments that could scratch or damage the display.
- Regular Cleaning: Dirt and debris can interfere with the functionality of your GPS unit. Regularly wipe down the exterior with a damp cloth to remove any buildup, especially in areas around buttons and ports.
- Water Resistance Checks: If your GPS unit is water-resistant, periodically check its seals and integrity. Ensure that all ports and covers are properly closed and inspect for any signs of wear that could compromise its water resistance during your canoeing trips.
- Data Management: Regularly manage and back up your saved waypoints and routes. This ensures that you won’t lose important data and helps keep your device running smoothly, as excessive data can slow down performance.
- Proper Storage: When not in use, store your GPS unit in a safe, dry place away from extreme temperatures. Avoid leaving it in direct sunlight or in damp areas to prevent damage to the internal components.