ChiTronic H1 Full HD 1080P Car Blackbox DVR Video Recorder with Novatek 96220 Processor + 120 Degree Wide Lens + LED Night Vision + G-Sensor + Motion Detection + HDMI/SOS Professional Novatek Chipset make it be capable of 1080P HD video recording Night Vision: Advanced CMOS image processing technology can provide a better view at night Loop Recording: When the storage space is full,it can automatically cover the earlier segment Motion Detection: Starts recording automatically itself if there is motion in the video without pressing any button G-Sensor: When an impact,emergency brake occurred or the car tilted,it will protect the previous,present and next video files automatically