**********ApplicationsThis backup camera system is perfect for the fifth wheel, tractor trailer, trailer, RVs, Caravan and Horsebox application. It is complete with one 7 inch monitor which built-in DVR recording, some cameras and a few 4pin extension cables. 12V-32V DC power input range to fit most of the medium to large vehicles in production. *****7" TFT LCD Digital MonitorHigh Definition Digital Color LCD wide screen video monitor, 800 x 480 pixels. Built-in quad / Split screen, able to show 4 camera views at one time. Connect up to 5 cameras.
*****Monitor Built-in DVR Video Recording High-definition Video Record Function. The record files been stored in SD card, maximum 64G, support date & time setting of the video. AV1/AV2/AV3/AV4 with trigger wire, once trigger wire activated, image automatically switchover to corresponding camera. *****1/3" Image Sensor & High Hardness Aluminum ShellColor CCD Camera. Horizontal Resolution 700TV Lines IR Night Vision, backup camera built-in 18 IR