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. Under bright and dim light it shows color images and black and white image in darkness. Its 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 the best condition. Magnification: 2X Objective: 28mm Field of view: 6.4° Exit pupil diameter: 14mm Eyes pot distance: 15mm Parallax: ±5° Minimum observation distance: 0.8mm Night viewing distance: >200m Sensor: 1/4CMOS Horizontal resolution: 420lines Display device: LED Resolution: 330x224 pixel Lighting device: 1R LED Center wavelength: 850mm Working voltage: DV 3V Built in power: AA battery Battery endurance: 1.5/2.5h (1R ON/1R OFF) Switch: 1.Infrared illumination Brightness regulation 3. 1 x Night-Vision Infrared Telescope 1 x Fixed Support 1 x Eye Patch. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Due to different personal measurement technique , there may be 1-3mm error of the physical. About us We will make every effort to make your shopping the most pleasant and wonderful! The item "Professional 2x30 Infrared Digital Night Vision Monocular Riflescope For Helmet" is in sale since Friday, October 26, 2018. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Rifle Scopes". The seller is "goldworld888" and is located in Shenzhen. This item can be shipped worldwide.