IPoster A7 10.1 IPS TOUCHSCREEN Quad Monitor Splitscreen with Built-in DVR-Loop Recording/Max Support max 256GB TF Card. With Bluetooth/USB/MP5/Parking Lines Adjusting/Parking Monitoring + 2x 4PIN Heavy Duty Metal Case Backup Rear View Reversing Cameras with 120 Degree Wide View Angle / 1080P AHD sensor / 18 IR LEDs for Night Vision / IP68 Waterproof / Anti-shock & Dust with Glass cover + 2x. 4PIN Heavy Duty Metal Case Mirror Arm Mount Rear View Cameras with. 120 Degree Wide View Angle / 1080P AHD sensor / 11 IR LEDs for Night Vision / IP68 Waterproof / Anti-shock & Dust +2x 5m +2x 15m. 12-36v For Caravan Truck Bus Van Trailer Motorhome Horse Float, etc. A7 Makes No Boring Driving! ? 10.1Inch Touch Screen-IPS screen This monitor is using 10.1 Inches Large Wide Touch Screen, make you operate it more easily. IPS screen-High Difinitions:1024720. ? Built-in DVR For Video Recording This monitor max support 4 cameras connections for 360 Degree front / Sides / Rear View Monitoring. ? 10-Display Modes You can choose 4-Split-screen/3-Split-screen/2-Split-Screen/Full Screen Display Modes to meet your different view angle. You can adjust its parking gride lines’ Height/Width/Length. ? Universally suitable The rear view camera is suitable for all 12-36v vehicles such as cars, truck, caravan, trailer, motorhome, van, RVs and etc, and easy to install on the car back, protecting your safety no matter what vehicle you are driving. Installing Diagram For Reference. Note: You just need connect the red wire and yellow wire with acc positive and black wire with negative, ignore these trigger wires, it will work all the time for you, all 4 camera will record the video all the time at same time. 10.1 Inch DVR Monitor. 2xMirror Arm Mount Cameras.