Long battery life up to 145 hours in all Satellite Systems + Multi-band mode; Multi-band GPS and multi-GNSS support for superior positional accuracy; Built to meet MIL-STD 810 for thermal, shock, water (IP67) and vibration; Download high-resolution photorealistic maps directly to your device via Wi-Fi technology; ABC sensors include an altimeter for elevation data, barometer to monitor weather and 3-axis electronic compass; Use the built-in flashlight as a beacon to signal for help, or use as a torch to light your way; Compatible with additional Spine Mount 2 accessories