... systems and advanced Gen 1 image intensifier tube Our night vision NV-1 are compact and good-looking portable ... /1.2 FOV at distance 100m/110yards,m 19/63 Field of view,deg 18 Focus ... 183×81×61 Weight,g 530 Effective DistanceDetection range,m 200/150 IR power,mw 25≤IR wavelength, ... nm 850IR effective distance,m 25Environmental DataIP standard of water-resistence IPX4 Humidity,% ...