4.5 Inch CRT Rear View System

1.Three way video input,can be switched by key-press
2.Brightness and contrast can be adjusted by key-press
3.Switch the day and night model by key-press            
4.Choose the signal source by key-press: VCD video, rear view video or the mid-door video
5.Wide range of power supply :24V±20%           
6.Use the aviation first line, safe and reliable