Powerful built-in system This RV backup camera system built in a powerful and simple operating system.You can play music via USB flash drive or memory card, or Bluetooth on your iphone/Android phone, we also built-in FM transmitter function, DVR recording function, which can save you the need to buy other product. 10.26-inch 2K touchscreen The 1920*1080 touch screen has sensitive touch speed. This reversing system monitor can display UI function interface and 4 channels picture at the same time. It can also be set to any 1/2/3/4 channels or rotate the screen at will, so you can adjust the screen after installation. DVR recoder & No signal delay All of the 4 camera delivers no-delay images. The color of the camera is accurate and the picture quality is clear. You can read the interesting things that happened during the trip inside the memory card AHD Waterproof Night Vision Camera This backup camera sensor can provide 1080P image quality. It also has a night vision functio