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. Minimum observation distance: 0.8mm.
As far as the night viewing distance: >200m. Built in power: AA battery(Not included). Battery endurance: 1.5/2.5h (1R ON/1R OFF). Infared illumination Brightness regulation 3. Thanks for your support and understanding!
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