Condition: Brand NewItem Type: Digital Infrared Night Vision with ScreenModel: CCDMaterial: ABSColor: BlackStructure: Monocular TelescopeFunctional Type: Ordinary TelescopeBattery Model: 4*18650 Battery(Included)18650 Charger Model: HD-077DPlug: EU PlugBattery Voltage: 100-240V 47-63HzBattery Charger Voltage: 4.2V 1200mAUsage: Civil TelescopeWeight: Approx. 1190gMachine commissioning:1. Fix the display and infrared light on the optical sight with the tube clamp.2. Loosen the plastic screws and fix the connection tube to the rear of the eyepiece eyepiece.3. Turn on the machine, turn the lens of the machine (inside the tube) to adjust the focal length, and adjust the line of the optical sight to make it clear.4. Adjust the position of the connection tube and tighten the screws until the crosshairs are at the center of the display. So far, the commissioning of this machine has been completed.5. In future applications, if the image becomes blurred due to the distance of the object, the sharpness of the image should be adjusted by the side focus roller (and parallax adjustment roller) connected to the optical sight. Do not move the machine lens, otherwise the crosshairs will be blurred. 1Pipe connector suitable for eyepiece diameter: 40-45mm. 2Suitable for camera lens: Maximum 28mm. Total of 4 x 18650 lithium batteries (included). 3Night vision distance: Total night vision up to 200 meters. 4Day and night using, daytime is colourful, due to insufficient light will automatically switch to black and white night vision mode. 5Infrared flashlight, flashlight light is unseen to our eyes and animals, our night vision can see, animals do not run.