Product Features: ZIYOUHU DE-620D Quasi-three-generation digital night vision: the image processing speed is fast and the details are more perfect. 8 times the magnification effect, allows you to see distant targets from the maximum distance. Digital electronic zoom function, 5 times-20 times can zoom in or out the viewing target, you can see the general situation, you can also watch carefully. USB port can be connected to the computer to read SD card file, line interface the power supply can be connected to a mobile 5V 1A power supply or you can charge other devices connected to the USB interface or directly by means of a DC power supply; the HDMI port can be connected to an external video output line. A separate display that allows you to watch or record video through the display. Positioning function: With the GPS positioning function, it can display the position of the user's coordinates. Adjusting the right lens with one hand allows you to quickly set focus, especially when viewing moving objects outdoors or searching for destinations while traveling. Playback function: you can play photos or videos on the night vision device, and you can also delete or protect files. Supports English, Simplified Chinese, Traditional Chinese, French and other eight languages to meet the needs of users in different countries. The IR light can be turned on or off, the infrared lighting range can be adjusted, and the light intensity can be selected from 25%, 50%, 75%, 100%. Two day / night display modes can be selected. In night mode, the image color can be white / green, which is beneficial for users to get better results under different environmental conditions. Recording function: support 1920X1080 HD video; Supports single 3M photo taking; record user's own and surrounding sounds, help to save the current use situation, easy to query in the future; can record the date and time. Adjustable eyepiece, suitable for different people.