?100% Worry-free Guarantee?- ASLONG is confident in the product quality. Your purchase is absolutely pleasant. We provide one year warranty service. You can contact us at any time. Package Included: 10.36 Inch Monitor x1; Camera x4; Camera extension cable x4; Power Cord x1; Bracket x1; 128GB TF Card x1. ?More additional Useful Function?- (1)Can work at -20? to 60?. (2)The phone can be connected to the monitor for calls. (3)Muti-angle adjustable bracket. (4)Can play music or video for entertainment. (5)Trigger Display: Automatically switch to the corresponding camera view. (6)Reversing image function, and can adjust the reversing line. (7)With parking monitoring function, it is a good soldier for your safety. (8)FM transmission, etc. ?Flexible Vehicle Compatibility?- Voltage Range From 9-36V DC Power to accommodate a wide variety of vehicle as RV Truck Trailer Class A Box truck semi truck Travel Trailer Horse Trailer Bus School Bus heavy duty Camper Tractor, the 5th Wheel, Motor homes, etc. ?4 channel waterproof cameras & Super Night Vision & Wide View Angle?- High-definition glass light-transmitting camera, transparent imaging, high-definition, detailed performance beyond your imagination, clearer forensics in low light. Excellent water resistance, safe to use in sunny or rainy days. Sharp clear night vision & 170° wide viewing angle allows us capture the clear image quality on any conditio, help us to observe everything surrounding us, avoid the blind spot and safer driving. ?4 Split ISP HD Touchscreen Monitor & Built-in DVR Recording Function?- Wide 10.36" Screen. Backup camera system supports quad view display, a total of 4 video inputs from the front and rear cameras and 2 side view cameras can be displayed on the screen. 4 split screen, 4 channels, 4 different angles help us to get a 360° view to make driving safer. Advanced DVR function, support to local playback and looping record, you can find the video easily in the monitor. It supports 128GB card at max. Installaion FUSE BOX MUST>=20A?Auto Power on with Your Vehicle Ignition & Easy to Install?- Power supplied by your car directly. Default boot recording, no missing seconds. Advanced safety design without risk of battery explosion and with much longer life; Smart segmented storage, seamless loop recording, never full disk. Wired camera system without any signal problem. One power cord supports the whole system. The camera only needs to connect the extension cable from the monitor.