BR-502WS BRvision 5 inch 2.4G digital signal wireless system support 1 channel video input, reliable and shockproof. It is without delay and interference. After being paired for the first time, the wireless monitor and wireless camera start to function simply by connecting them to power supply of the vehicle, which save labor cost and efficiency. 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 is clear, which can help drivers drive safely because they can see every angle of the image. It can work well day and night.