Specification: 1. Screen protection: close/ 30 seconds/60 seconds/120 seconds 2. Auto shutdown: close/3 minutes/5 minutes/10 minutes 3. Frequency: 50HZ/60HZ 4. Key sound: close/open 5. Headlight: close/open 6. Dual:close/open 7. Cycle:Close/5min/10min/20min 8. HDR:close/open 9. Exposure: 0/+-1/+-2/+-3 10. Motion:close/open 11. Watermark:close/open 12. Gravity:close/ high/medium/low 13. Sound: close/open 14. Guard: close/open 15. Delay: shot/ delay 2S/delay 5S/delay 10S 16. Continuous:close/open 17. Quality:good/standard/economic 18. Sharpness: strong/standard/soft 19. White balance(WB): auto/sunlight/overcast/tungsten/fluorescent 20. Color: normal/B&W/nostalgic 21. ISO:auto/100/200/400 22. Anti-shaking:close/open 23. Preview:close/2S/5S 24. Watermark:close/openPackage included: 1x Car DVR1x Car Charger1x Rearview camera1x Rearview camera line(about 6m)2x Screws1x Suction Bracket1x User ManualMain Function:Low illumination high-definition video, dual camera 1080P&720P, the front camera is Full HD 1080P(1920*1080), the rearview camera is 720PThe built-in low illumination high previous to light 170 wide-angle lens, was made by 6 layers of A+ high transmittance glass, add a variety of intelligent processing technology, extreme image, dual camera with all glass, the backup camera can shooting the cars rear without blind area4.0 HD IPS touch screen, you just touch the screen to set what you want to do, convenient and efficient, more noble and rare. Support night vision, one LED light can let it record clear video in low light condition, as is clearly visible at nightSafety warning function, when the driving environment is dark, it will remind you to open the car headlightsSupport Picture in Picturetwo camera can display on the screen simultaneouslySupport G-sensor, automatically recording video and lock file when the accident occurred, is the best evidence for youSupport 24 hours Parking monitoring, Connect car battery with parking monitoring cable (is not included), Even though the car was turn off, the machine can still record video, to achieve 24-hour surveillanceSupport reversing video camera, connect the red line of the rearview camera to the anode of reversing lights. Insert the car charger, the machine will automatically start recording, when your car switch to R position, it will switch to reverse image automaticallySupport loop recordingMotion detection automatic recordingHDR--High Dynamic Range image processingThe ultimate video processing ensuring you can record and view clearly on the brightest day and darkest nightImpact sensitivity adjustment automatically lock fileDrive start simultaneouslyThe biggest support 32 GB TF card (access speed class 6 or above, card not included)Support video date and time stampCan charge while videoUSB Function, connect to the computer by USB cable, in the massage mode, you can access video files and photo files, in the PC-camera mode, you can take a photo or make video chatMainly powered by car charge, automatically turns off to protect the battery when its downEasy to install with the help of suction bracket, perfect hidden installation, dont block the line of sightShort press the power key to close the screen, the screen can be closed while recording, press the voice key to sound off, press the LED light to open night vision mode, press the lock key to lock filesHave a nice day!