"Celestron Elements ThermoTrek Brand New, The Celestron 48011 tay warm on the trail with the ThermoTrek hand warmer
The 4400 mAh lithium ion battery provides up to an impressive 6 hours of continuous heat on a full charge. ThermoTrek heats up quickly and reaches a maximum temperature of 113 degrees Fahrenheit (45 degrees Celsius)Unlike chemical hand warmers, ThermoTrek can be recharged multiple times. Just plug it into the USB port on your PC or a compatible AC charger using the included cable. The rugged aluminum construction and protective silicone caps make ThermoTrek perfect for cold weather excursions like cross-country skiing and mountaineering 48011 Features: Input voltage : 5V- 500 mA, status LEDs : (1) charging, (1) in use, Temperature max : 40 to 45 C (104 to 113 F), End caps : Silicone caps for protection, Weight (oz): 5.22 oz (148 g), Replaces Model 48010"