It is a multi-purpose product of HD shooting video recording voice recording network camera gravity sensing and flashlight mainly used in car shooting and also used in other outdoor activities. Loop video recording: loop video recording and no second losing can set Loop Mode in the recording menu. Motion detection: under the standby mode when you set Open on the menu option Motion Detection the camera will automatically capture the moving objects and automatically begins video recording. Supports gravity sensing: when the car is hit by some external force the car recorder will automatically lock and store the current video and the video will not be covered the recorder display screen will appear a lock sign at this time. The flashlight under the dark environment can click the switch Open/Close the flashlight; On the menu click related option to set Open/Close.