Display size 5.0 inch Resolution 800*480 Scanning frequency 60Hz Minimum illumination 0.0001 LUX/F1.2 Signal to noise ratio >46dB Operating temperature -20?-50? Adapter battery 18650 Lithium battery Infrared light 850mm Infrared lamp power 5W Maximum clamping range 45mm Machine commissioning: 1. Select the appropriate plastic ring 2. Fix the rifle sight and night vision 3. Turn on the machine and rotate the lens of the machine (inside the light tube) to adjust the focus, and adjust the cross line of the optical sight to make it clear. 4. Adjust the position of the connecting tube and tighten the screws until the crossover line is in the center of the display. At this point, the commissioning of the machine has been completed. 5. In future applications, if the image is blurred due to different object distances, the image sharpness should be adjusted by the side focus roller (and parallax adjustment roller) attached to the optical sight. Do not move the machine lens, otherwise the crossing lines will be blurred.