1.Frequency: 2.4GHz

2.display  picture behind vechile

3.automatic start when back up

4.Wide visiable area from camera

5.Good night vision

6.waterproof camera in 120 degree

7. Distance of wireless :20M with obstacle

8.with 3.5" LCD monitor and good cmos camera

Specification :

Monitor:

panel:  Au TFT LCD

screen size:3.5inches

display color:262K

Pixel: 480X234

brightness: 250nit

contrast: 150:1

Five languages OSD menu

respond time:30ms

The display with two video (AV1, AV2) Automatic/manual switcher

Display format:4:3

system: PAL/NTSC

input power:DC12V

Front panel controls with on-screen menu

Full function wireless remote control

Shock resistant, designed specifically for mobile use

camera:

1.high quality OV7950 sensor (1/4 cmos)

2.Good night vision, Minimum illumination:0.5 LUX

3. View of angle:120

4.perfect image and perfect color as CCD camera

5.waterproof ,IP67