4 3 Inch HD 1080P Cam Video Recorder Rear View Back Reversing Car Mirror Camera DVRFeature Motion detection Function170 wide angle lens can record in more anglesAfter opening the motion detection it will record automatically if there is anyone 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 G sensor Built in G sensor when car accident happens automatically saved and will not deleted Fits easily over your stock vehicles existing mirrorSpecification Operating temperature 20℃ 70℃Operating humidity 1565 RHSupport card TF card not INCLUDED Support TF card 1GB 32GB not INCLUDED Recording time 1 1 5 hoursFront lens 170 degreesVideo resolution 1280 1080PVideo format PAL NTSCBack lens motion detect SupportPicture in picture SupportPhoto format JPEGScreen size 4 3 inch TFTSeamless recording SupportNight vision Support optionalMotion detect SupportCircle recording SupportVoice recording SupportG Senor SupportEmergent G Sensor SupportPower interface 12 24V 2ACurrent frequency 50HZ 60HZUSB function 1 Back camera 2 PC dataBattery Built in 450mAhPackage Included 1 X Car Rearview Mirror DVR1 X Car Charger Cable1 X USB Cable2 X Paid1 X Box1 X User Manual