2.7 inch car DVR rearview mirror dual double camera 720P

2.7 inch screen

1/2 inch HD COMS 140-degree wide-angle lens

Focal length range> 10CM
Built-in microphone, speaker
Front camera: HD: 720P (1280 * 720) at 30 fps
Rear view camera:   VGA: (640 * 480) at 30 fps
Support AV input, can be accessed by reversing camera and parking sensor
Video compression: H.264
Maximum support 32G SD card (SDHC), the video does not leak seconds
Voltage :6-18V

Reversing automatically switch
Power and memory function: not manually shut down the case, start the car automatic recording
Motion Detection Function
Humane settings: the optional front lens video, reversing camera recording, dual-lens video

Feature Sets:

          Languages: Chinese Simplified, Chinese Traditional, English,Russian
           Frequency: 50Hz, 60Hz
           After the lens input: PAL, NTSC
         

One is car’s front camera that shoots the scene of car’s front side.

The other is back camera that

shoots the scene of car’s back side. When you start the car, two

cameras begin to work at the same time.

When you shift to the reverse gear, thescreen will show backup

camera display and the brightness of scree will change with ambient

light.

When you shift to the reverse gear, the screen will show backup camera

display. At the moment, the interior camera stops working and the front

camera and back camera start to work at the same time.

Rear Camera recorder and Front Camera recorder

Same As your original mirror 

Different car used differnet metal brackets