【Three channel front inside rear dash cam】 it is a double channel dash cam which offers 170 degree front camera, 140 degree inside and rear camera, it can simultaneously monitor the front, inside and rear of your vehicle while providing audio at 1920x1080P, 640x480P, protecting you from potential accidents and liability problems. 【Seamless loop recording & G-sensor, emergency lock】 when the storage limit is reached on the memory card, new recordings will ROYA matically overwrite oldest recordings. Triggered by G-sensor, it can ROY Amatically detect a sudden shake/collision and lock the footage for 10s to protect the video from being overwrote even in loop recording. Or you can press the lock button, lock and keep the video you want. 【Night Vision】super clear vision on fast-moving objects day and night, and WDR (Wide Dynamic Range) that adapt to different light levels and reduce image noise in low light conditions. This dash cam gives you all day peace of mind. 【24 Hours parking mode】the dash camera will ROYA switch to parking mode while your car is parked. Collision detection can be triggered by impact or movement, time lapse recording mode keeps recording continuously with low power consumption and low frame rate. If the car is involved in a hit while parked, or someone attempts to steal the car, this dash cam will provide around-the-clock protection. 【Easy installation】 you can install the camera in the dashboard or windshield via the suction cup, just plug the cigarette lighter power adapter into the car cigarette lighter socket.