Coocheer Car Dash Cam 2.4'' LCD Screen HD Wide Angle Dashboard Camera Recorder with G-sensor Loop Recording Motion Detection Night Vision Easy to use: Secure suction cup mount with quick release to windshield, connect the power cable, the dashboard camera will automatically records with engine's on. Simple plug and play when you received it. Accident Auto-detection: when Gravity Sensor detects a collision, the current video is locked, important footage is protected, which bring you a safe driving experience. Superior Night Vision  The wide dynamic range (WDR) allows the camera to perform optimally in any lighting situation by adjusting the exposure to create balanced images and footage and give you high-definition video recording both day and night. Loop Recording: Recorded video is split into 3, 5, or 10 minute segments. When memory card full, new recordings will automatically overwrite the oldest segments. Accident scene can be truly restored. Powerful Document Protection:The data files will be compeletly saved in the occurrence of sudden power outages,mechine damaged,etc.