Product Name: IR Low-Level Night Vision Sight Monocular Model NO.: HL550 Aperture: <50mm Objective Aperture: 30~50mm Lens: Glass Lens Type: Prime Lens Usage: Night Vision Function: Night Vision Magnification: 3X Type: Monocular OEM: Yes ODM: Yes Trademark: Daking Transport Package: Soft Protective Bag or Hard Shipping Case Specification: 172* 82* 60mm/420G Origin: Guangdong, China Product Description NV-Scout 3x42 Digital IR low-level light night vision SightThis Night Vision Monocular is astate of the art visualapparatus capable of multiplenight-timeoperations, suchas observingwildlife, and safeguarding farms,homes,factories,and mines, as well asentertainment.Specifications:ModelHL550Ranging range150 ~ 200m (ambient light illumination 10-2LUX)Telescope magnification3 ×Multiplication tube1+Objective lens aperture42mmObjective lens focal length76mmVision17 °Viewable range299m / 1000mExit pupil distance12 mmEyepiece diopter range-5 ~ + 5DFocus range3m ~ ∞Infrared lightbuilt-inPower typeCR-123A 3.0VColourBlack (But we can produce any color by your own choice)Dimensions172 * 82 * 60mmweight420gLow battery tipsYesUser Manual:Night Vision Factory Info: