1、Professional handheld navigator, an ideal navigation solution for ships, vehicles and outdoor adventure activities. 2、High‑sensitivity GPS receiver, supports marking your favorite location for easy navigation. 3、It has excellent waterproof performance, so there is no need to worry about not working because of being wetted by water during use. 4、The multi‑function display screen can display Plotter, Highway, Steering, Satellite and so on. 5、The voyage section can be customized according to preferences, with storage space of 10,000 waypoints, 100 routes and 3000 track points. Item Type: Handheld GPS Navigator Material: ABS Size: Approx. 13.3x6.6x2.4cm/5.2x2.6x0.9inBuilt-in Battery: Polymer battery, 1800mAh Features: 1. 2.8in 240 x 320 color LCD 2. Multi-display screen: Plotter, Highway, Steering, Satellite, SOG meter, COG meter, and User data screen 3. Visual and audio alarm, Arrival, Anchor, XTE, SBAS, etc. 4. Storage of 10,000 waypoints, 100 routes and 3,000 track points 5. MOB mark How to Use: 1. Power on/off Long press to power on the device. The product beeps and starts. Press and hold to power off for three seconds. 2. Adjust button Press ◀ or ▶ to increase or decrease the brilliance. For the key panel, press the ▲ or ▼ key. Press ENT or ESC to exit. 3. Ready to use. 1 x Host 1 x Data Cable 1 x Manual