1、Pipe connector suitable for eyepiece diameter: 40‑45mm. 2、Suitable for camera lens: Maximum 28mm. Total of 4 x 18650 lithium batteries (included). 3、Night vision distance: Total night vision up to 200 meters. 4、Day and night using, daytime is colourful, due to insufficient light will automatically switch to black and white night vision mode. 5、Infrared flashlight, flashlight light is unseen to our eyes and animals, our night vision can see, animals do not run. Condition: Brand New Item Type: Digital Infrared Night Vision with Screen Model: CCD Material: ABS Color: Black Structure: Monocular Telescope Functional Type: Ordinary Telescope Battery Model: 4*18650 Battery(Included) 18650 Charger Model: HD-077D Usage: Civil Telescope Weight: Approx. 1190g Machine 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. 1 X 4.3 Inch High Definition Display 1 X 5W Infrared Flashlight 1 X User Manual 2 X Infrared Flashlight Quick Release Clamp 1 X 18650 Charger 1 X Camouflage Adhesive Tape 1 X CCD Sleeve 2 X Display Assembly Bracket 1 X Wrench 1 X Screw 4 X 18650 Battery