4CH AHD MonitorIt can add up to four rear view camera/side view camera/front view camera. It can be very effective to help you reduce the stress of checking blind spots while changing lanes, making safety confirmations, and inspecting goods in cars. 3 cameras are included by default. AHD Backup Camera for truckMake the installation of backup camera for truk/RV more diverse! All 3 Backup Cameras have night vision. At the same time, all of them use AHD high-definition technology to achieve 1080P high-definition picture quality. 2.5D full touch screenOn this latest version, we use a 10.1 inch full touch screen with a whole 2.5D IPS panel. All physical keys except the power button are removed, and the overall design is simple, symmetrical and modern. Rear View Camera System That's the change that 10.1 inch big screen Back monitors bring to us! Because the display area is much larger than other 5-inch and 7-inch monitors, even if you adjust the screen to a 4-segment displ