When your adventures take you well off the beaten path, the Spot Gen3 Orange delivers reliable, satellite-based communications for virtually any spot on the planet. Harnessing the power of the ultra-dependable GPS network, the Spot Gen 3 provides you with pushbutton emergency assistance when you need it most. In addition to its critical emergency communications features, the Spot Gen 3 brings users a host of other convenient options. Its extended tracking mode enables friends and family to follow your movements via Google Maps. The devices vibration sensor knows when you've stopped moving, and only sends out tracking messages when it senses movement. At just 4 oz., this rugged device is both waterproof and impact resistant. Four Lithium or NiMH AAA batteries provide hours of reliable power, and the altitude tracking beta option also enables altitude info with your tracking messages. An incredibly robust device for reliable communication when you need it most.