This product has high performance and low intensity of illumination. This HD recorder has unique and portable design. This recorder could shoot audible HD (1280*720p) video with 30 fps per second, with highly dynamic and continuous frames. This product has equipped with an automatic overwritten function. Video and pictures could be taken circularly. You don’t have to worry about the capacity of the memory card. This HD recorder support the following functions: motion detection, three axis stereo collision detection , manual emergency lock three axis stereo collision detection, CMOS WXGA HD is/inverse switch, playback at any time, remote operation, and so on. It has an external card memorizer, which supports 32G-TF. This HD recorder is mainly used for shooting videos and pictures in cars.