SPOT Satellite GPS Messenger

Weight 5.2 oz / 147.4 g Height 3.7 in / 9.4 cm Width 2.6 in / 6.6 cm Thickness 1 in / 2.5 cm Operating Temp -30°C to 60°C / -22°F to 140°F Operating Altitude -100m to +6,500m /-328 ft to +21,320 ft Humidity Rated MIL-STD-810F, Method 507.3, 95% to 100% cond. Vibration Rated Per SAE J1455 Battery Type 3 AAA Energizer Lithium Ultimate 8X