Feature:1. Night vision device is a precise electronic instrument used to observe objects at night and in low light.2. In order to work under extremely low light, equipped with infrared irradiation light source. After opening the light source switch, its brightness can be adjusted through the switch.3. The battery life of the night vision device is 2.5 hours when the infrared light source is not turned on, 1.5 hours when the infrared light source is turned on, and the power is 2 x AA batteries.4. Night vision device is suitable compatible with using in the environment where the temperature is from 10 ℃ to 70 ℃ and the relative humidity is below 90%.5. Made of high quality plastic material, sturdy, durable and long service life.Specification:Condition: 100% Brand NewItem Type: Infrared Night VisionModel: PVS-14 Material: Plastic Quantity: 1PCSColor: Black Effective Stadia: 500（m）Object Diameter: 28（mm） Working Voltage: 3（V） Magnification: 2XEntrance Pupil Diameter: 28mmField Angle: 6.4°Nocturnal operational observation: ; 200mExit Pupil Diameter: 14mmExit Pupil Distance: 15mmMinimum Focus Distance: 1.8mmObjective Lens Coating: Broad Band Multilayer Blue FilmEyepiece Coating: Broad Band Multilayer Blue FilmFocusing System: Objective Eyepiece Separately FocusedSensor: 1/4 Inch CMOSClear Eye Distance: 15mmVisual Adjustment Distance: Plus or Minus 5°Minimum Observation Distance: 0.8mmResolution: 330x224Center Wavelength: 850mmBuilt-in Power Supply: 2 x AA Battery(Not Included)Horizontal Definition: 420linesLighting Devices: IR LCDWaterproof Function: WaterproofSize: Approx. 13x6.5x5.5cm/ 5.12x2.56x2.17inch.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}Package List:1 x HD Infrared NightVisionMonocular1 xManual1 xBlack Soft Bag2 xAccessory Bracket1 xWarranty Card1 xRubber Eye Mask