... ,hour Up to 20Battery life IR off,hour Up to 60 Overall dimensions,L×H×W,mm/in183×81×61 203 ... ×81×61Weight,g 530 613Effective DistanceDetection range,m200/150 220/175IR power,mw 25≤IR wavelength,nm 850IR effective ... IPX4Humidity,% 93Operating temperature, -30°to+45°Storage temperature, 0°to+60° night vision goggles