The observation systems are wireless and features a 7 Inch high-resolution touch screen monitor that can show up to four camera images. The 2.4 Gigahertz wireless communication digitally locks to the camera system resulting in minimal interference up to approximately 500 Feet. All cameras offer from 65 to 120 Degree viewing angle, night vision, motion detection and auto wake function for extra security when the vehicle is stationary. High-resolution live-steaming cameras for both sides of your vehicle and cameras to help you reverse safely.