Function: 1. When the car engine starts, the system activates the car monitor and all cameras around, one by one, to check the view around for 10 seconds, then turns off. 2. The system starts by default in front view mode. Front view controlled by switch (included) and you can turn off the front video view by pressing the control switch again for 2 seconds. 3. 4. Press the control switch for less than 1 second to go into side view mode. When the switch is turned on, this system activates the monitor and side camera (left/right controlled control lamp). 5. The monitor and kamera will turn off 1,5 seconds after the turn is complete. Press the control switch again for less than 1 second to go into front view mode. Specification: Item Type: Car Video Switch Material: ABS Power Current: 50mA Supply Voltage: 9-15V Power: 1W Operating temperature: -20 to 80 Color system: PAL/NTSC system (auto search system) Fit: universal Instructions for wiring: Black wire - ground wire Green wire - ACC Red cable - DVV trigger cable Blue wire — reversing trigger cable White wire - right drain line Yellow wire - left sight drain line RCA head - video output List of packages: 7 x Wire Harness 1 x Controller 1 x Manual