CiBest? Dual Lens 720P HD DVR Cam Car Vehicle Camera Video Recorder Motion detection G-Sensor Camcorder Allwinner A20 processor This product built in Allwinner A20 processor CPU, and the rear camera is waterproof. It is different from other car dvr, although they looks like similar Low lux, high quality sensor,CMOS Wide-angle cameras Dual lens, double views,1920*1080 high resolution video recording Support G-sensor, Loop recording, Motion detection, Full light and Emergency lock button Support TF card up 512MB to 32 GB (NOT include), please use high speed micro SD card(above class 6)