Kushina HD 1080P 4.3 inch LCD Dual Lens Car Dashboard Cam DVR Accident Video Recorder Rearview Mirror Monitor Dash Camera + Rear View Camera 3 functions in 1, Rearview mirror + front dash camera + rear view camera Dual-lens Camera Design: The front camera has a whopping 120 degree viewing angle to ensure you have all angles covered to record. When connected to the backup lights, automatic backup monitoring will be triggered to show on the display screen at the same time of backing up the vehicle. Picture-in-picture Display: The Front view and rear view videos are displayed on the screen in a picture-in-picture appearance. One-button switch can toggle the display of the two views in either the full screen or the inset window respectively, or turn off the picture-in-picture display. Motion detection: In standby status, you can switch the camera to motion detection mode. The device will enter into recording once camera observes the moved objection. It stops recording if no objection moved for 5s. Crash detection: Highly-sensitive G-sensor powered automatic video recording and video file locking when a collision or crash is detected. Parking Monitoring: When the vehicle parked, the device is automatically turned on and recording when a vibration is detected. Seamless Video Recording:Automatic seamless video recording in loop to use the storage efficiently, with the earliest unlocked video clips being overwritten when reaching the storage card's maximal capacity.