Car black box or drive video recorder is a device installed in car windshield to record video, audio data related to vehicle impact or accidents. Imformation from device is stored in memory card and can be analyzed to help determine what the vehicles were doing before, during and after the crash or event. The turm generally refers to a simple, tamper-proof, read-write memory device, similar to the "black box" found on airplanes(as opposed to the tape recorders and video cameras common in police vehicles and many commercial trucks).    Item Specification screen size 2.8 inch display screen Sensor chip 5M HD CMOS image sensor Video resolution 1280*720/ 640*480/ 320*240 Video frame rate 10/ 15/ 20/ 30 fps Picture resolution 4032*3024/3264*2448/2592*1944/2048*1536/1280*960/640*480 Compressed format H.264 File format Video：AVI Record：WAV Photo：JPEG Video saving time 1/ 5/ 10 minutes Digital zoom ×8 Loop recording Set up by the user Recording function AV/ Video/ Tape/ Motion detection Play function Video/ Photo/ MP3 Audio input / output MIC、Speaker Interface TV-output hole Video output HDMI HD video output USB Power supply/ data read Support multinational languages English,Simple/traditionalChinese,Franch,German,Russian,Japaness,Portugues,Spain Storage medium SD card, up to 32GB Power source Car charger/ built-in battery Product size 88*65*23MM Product weight 100g Operate temperature -10℃-70℃