Features  TFT LCD monitor with wide view angle and high resolution display.   Picture image may be adjusted for Horizontal, Vertical, Mirror and Normal viewing.   English and French are optional.  Built-in 2.4GHz wireless receiver.   Automatic backlighting for buttons.  Automatic brightness control..  Full-function remote controller.  Multiple video formats available: AUTO /PAL/ NTSC.  4 channel receiver,1 channel for video output and 1 channel for audio output.  Operates from 12~32V. Support 12V or 24V automobile battery.  Automatically switches to back-up, left or right side camera views.  On-board Speaker.