Features:Motion detection Function90 degree wide angle lens, can record in more anglesAfter opening the motion detection, it will record automatically if there is any entering the picture. The function is normally used to monitor parking.Auto Loop recording:When the memory card is full will automatically overwrite the oldest video began circulating recording to ensure that the memory card is the latest of the latest movie, you do not have to worry about the memory card is full of problems.Fits easily over your stock vehicle's existing mirror.Specification:Support card TF card (not INCLUDED)Support TF card 1GB~32GB (not INCLUDED)Recording time 1-1.5 hoursCamera lens 90 degrees A +high resolution ultra wide angle lensVideo resolution Maximum 1080PFile format AVIVideo format PAL/NTSCPhoto format JPEGPhotographic mode 500 pixelsScreen size 2.8 inchSeamless recording SupportBuilt in stereo SupportMicroph SupportDay and days SupportMotion detect SupportCircle recording SupportVoice recording SupportPower Supply interface 5V 1ACurrent frequency: 50HZ/60HZBattery Built in batteryincludes:1 x Car DVR1 x Car charger Cable1 x Box1 x User manual