PVS-14 Multi-Purpose Night Vision Monocular/Night Vision PVS-14 Auto Gated Military Spec Monocular. Night Vision is a precision electronic instrument used to observe the target in the night and twilight. In order to meet in a very low light intensity, night vision with infrared irradiation light source, turn on the power switch, you can adjust its brightness by switching. OP-168 is a day and night of night vision comes with infrared the irradiated light source. Under bright and dim light it shows color lmages while black and white image in darkness. OP-168 own infrared irradiation light source device, according to the use of environmental condition can be forced open or close, and may, according to the environment light brightness manual regulation to need the best condition. OP-168 patent”a key pass”design, a switch to use very simple, convenient, gently rotating, can open the night-vision goggles, slowly rotating, easy to adjust the radiation light source device. Field of view: 6.4°C. Exit pupil diameter: 14mm. Eyes pot distance: 15mm. Vseibility regulating range: ±5°C. Minimum observation distance: 0.8mm. As far as the night viewing distance: >200m. Lighting device: 1R LED. Working voltage: DV 3V. Built in power: AA battery(Not included). Battery endurance: 1.5/2.5h (1R ON/1R OFF). The power switch 2. Infared illumination Brightness regulation 3. Forced switch infrared lighting. Night vision Weight: 260g. 1x Night vision instrument. By AUpost-eparcel from China. Thanks for your support and understanding! OUR WORKING Time(Beijing): 9:00am6:00pm(MondayFriday). We will be happy to serve you. Buyers need to responsible to pay for the returning package. For all orders, please note that. Please leave us a. With aPERFECT 5 STARS. Our goal is to make sure you are happy and have a pleasant shopping experience with us. We will do our best to resolve the issues. Please give us the opportunity to resolve any problem. It is impossible to address issues if we do not know about them!