4K Front and 1080P Rear Dash cam Optional Front camera only: 4K Front + Rear Camera: 4K + 1080P Built-in Wi-Fi Allows you to control,view and download video on your smartphone APP Built-in G-sensor/Loop- Cycle Recording When your car is subjected to an impact or other emergency,the G sensor is triggered, so that the recorder immediately records and locks the video. When the TF card is full,it will automatically delete compatible for mer video and keep recording all the time GPS records reliable witnesses to accidents GPS can always show you the speed, direction and coordinates of your car. If a police officer pulls you over and says you were going 65 in a 55 zone, you can watch the video and look at Google Maps to see moving markers on your route that prove how fast you were really going. 4K Camera, Ultra-clear Seamlessly record up to 4K video, and clearly capture license plates and road signs. Super night vision F/1.8 wide aperture allows superior images, be it day or night. Proprietary focal length technology facilitated by 6-Glass wide-angle lens helps in capturing smaller details like number plates with more accuracy even in low light. Installation Diagram 1.Secure the recorder to the windshield of the vehicle , recommended near the rearview mirror area 2.Hide the power cord in the window gap along the red line in the figure above 3.Insert the car charge wire into the cigarette lighter, connect the power supply, and complete the installation