BR-704WS BRvision 7 inch 2.4G digital signal wireless system support 4 channel video inputs, reliable and shockproof . It is used for car, truck, forklifts, farming vehicles, excavators and agriculture vehicles. The monitor can be installed in the vehicle. Its  operation temperature is -30℃~+70℃. The screen can automatically switch when reversing, which can help drivers drive safely because they can see every angle of the image. It can work well day and night.