7 inches rearview system with metal control box
Can be connected with three cameras for front viewing/side viewing and rear viewing    
Three/two/one camera (optional)
Gives you eyes in the back of your head for blind spots
System is automatically activated when back up, automatic/manual switch
Night vision, video automatically change to rear view when back up
Display with three video frequency input (AV1, AV2, and AV3) automatic/manual switcher multi-language of display available: English, French, Chinese, Russian, Italian, and German
Full function wireless remote control
7-inch Sharp CCD camera
Excellent high resolution picture quality even in low illuminated conditions
Especially designed for bus and vehicle use
Audio function (optional)
Good night-vision (18 pieces LED) and waterproof (IP67)