Four Viewing Angle Backup Camera System: This vehicle backup camera is equipped with four 1080p cameras for you to use at the same time. You can install it in the front, back, left and right to achieve a view without blind spots, ensuring stable and safe driving and monitoring. It is suitable for any vehicle such as RVs, Trucks, Trailers,Vans,SUV, etc. 10.2-inch HD Touch Screen Monitor: The four-channel back up system comes with a 10.2-inch HD touch screen, which can display four cameras on the screen at the same time, and can also be enlarged for full-screen viewing. It has a built-in DVR recording function that supports local playback and loop recording. You can easily find the recorded video on the monitor.