Feature:1. When car engine starts, the system will activate the car monitor and the all the camera around one by one to check the view around for 10 seconds, then turn off.2. The system start with front view mode as default. Front view controlled by switch(included) and you can shut off the front view video by re‑press the control switch for 2 seconds.3. Press the control switch for 2 seconds, car monitor and car front view camera will be working all the time, if no other trigger working, more convenient to use.4. Press the control switch less than 1 second to enter side view mode. When you turn on the turning switch, this system will activate monitor and side view camera (controlled by left/right steering lamp).5. The monitor and camera will turn off after 1.5 seconds when steer turning is finished. Press the control switch less than 1 second again to enter front view mode.Spec:Item Type: Car Video SwitchMaterial: ABSPower Supply Current: 50mAPower Supply Voltage: 9-15VPower: 1WWorking Temperature: -20 to 80℃Color System: PAL/NTSC system (automatic search system)Fitment: UnicersalWiring Instructions:Black wire - ground wireGreen wire - ACCRed wire - DVV trigger wireBlue wire - Reversing trigger wireWhite wire - right sight trigger wireYellow wire - Left sight trigger wireRCA head - video outputPackage List:7 x Wire Harness1 x Controller1 x InstructionNotice:The power supply of the panoramic auxiliary system must be connected to the ACC power supply on the car, not directly to the battery on the car.