Mate Algorithm  This product adopts long-distance fixed-focus lens and low-light imaging technology, combined with Mate's unique algorithm, in the dim light and poor visibility of the human eye, by projecting the picture on the high-definition display screen, it can restore the clear and vivid image as in the time 2K HD vision  LED Light  It is recommended to turn on the attached LED supplementary light when observing, taking photos or recording in a completely closed environment (indoor, cave, under woods, etc.) without natural light. Mate built-in LED fill light is designed for the remote focus of the Mate lens, allowing people to see more clearly and farther  When using LED fill light, it is recommended to maintain a constant projection distance according to the different gears of the LED light.  Automobile Data Recorder  As Mate is a long-distance observation device, the Angle of view is narrower than the wide Angle of ordinary dashcam, so drivers can see farther at night, so as to master road conditions in advance and reduce traffic accidents.