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Waterproof - Accompanies you on the water, in the Mountain or on the roads. Special design for car personal navigation, mountaineering, camping, investigation sport and military. WAAS (North America) and EGNOS (Europe) GPS receiver with accuracy to 3 meters. Electronic compass and altimeter (barometer) sensor.
Main Menu Main menu has following icon for select. Easy function: use GM-120 simply. Easy functions include compass, altimeter and home function. The GM-120 will guide you back to home position. Professional function: User use GM-120 in advance functions, navigation, track log, POI, auto-routing.