About this item 10V-32V wide voltage input,support 1/2/4 wireless camera input, easy to switch full screen and split screen,wireless line of sight range up to 984 feet. 7" IPS panel digital monitor,you can see the image clearly at any angle,this monitor built-in recorder,support real time recording and video playback,maximum storage 128GB. HD 1080P digital wireless backup camera 130°wide viewing angle,built-in smart IR-CUT filter image color and more realistic,it has far better image resolution, stronger lens and longer transmission distance, which will bring you a whole new driving experience. The truck wireless rear view camera’s waterproof level is IP69K rating (highest IP rating) and the vibration rating is 20G, it can work fine in all weather conditions such as pouring rain & violent storms.