Specification： 
Resolution: HD front 1280 * 720P 50 frames / S, VGA rear 640 * 480 25 frames / S 
Display 3.0 inch split screen display, can freely switch to the picture in picture display. 
Storage: maximally support 32G external memory cards. 
Light source frequency: 50Hz, 60Hz 
Operating temperature: -20 ° C ~ + 70 ° C 
Screen protection: off, 30 s, 1 min, 2 mins 
Power supply: 12-24 rpm 5V 1A ( power reduction cable connection) 
Battery capacity: built-in polymer battery 3.7V 200mAh
Features: 
* Adopting 4G wide-angle professional lens
* Using the latest wide dynamic technology, ideal for imaging in strong/low light environments
* HD highlighted RGB display
* Automatic recording when car starts, 5S delay before automatic shutdown when car stops
* Continuous recording function, no missing data
* Built-in collision sensor, real-time three-axis 3D detection of vehicle collision status, start the sudden change collision recording 
* Video files will remain intact when there is sudden power outage, machine damage and other problems thanks to the powerful document protection function.
* Automatic loop coverage shooting
* Temporarily manually turn on and turn off the videos.
* Temporarily manually lock the important videos.
* Manually start and stop the recording function.
* You can set the time to automatically turn off the screen and normal recording work won't be affected.
* Video files can be played back at any time.
* Distortionless HD camera ensures clear images without smear.
* With professional high temperature and low temperature resistant suction cup holder, 

Package include: 
1x Dash Cam 
1x Holder 
2x Rear Camera
1x Power cable 
1x User Manual