The Garmin Rino 520HCX GPS and two-way radios are reliable tools for hiking adventures. These GPS units are powered by batteries with a long battery life of up to 14 hours. The gray plastic devices feature decimal and imperial measurement systems, a compass, and GPS sensor for accurate direction. With a compact display size of 1.3x1.7 inches and waterproof capabilities, these GPS units are essential for outdoor enthusiasts looking to navigate and communicate during their hiking trips.Only one charger for both radios