<b>Specifications</b><br><br> IR LED Light: Wavelength 850nm<br><br> Indicator light: green (charging/working)<br><br> Switch: two-stage slide switch<br><br> Battery Capacity: 2100mAh<br><br> Working Current: 1000mA<br> <br>Dimensions/Weight: 63*50*44mm / 80g<br><br> Continuous Working Time: 2 hours or more<br><br> Working temperature: -10~50°C<br><br> Working Environment Humidity: 40%~80%<br> <br>Storage Temperature: -30~65°C<br> <br>Charge: Micro USB 5V/2A<br>