All round view car camera control box(XY-3100) 1.automatical round view When car engine starts. The system will activate the car monitor and the front view camera without pull back reverse gear or steering turning. The system will shut off the monitor and camera automatically if no trigger wire is activated after 15 seconds. 2.Left/Right view controled by turning switch. When you dont pull the reverse gear, only turn the steering lamps, this system will activate Monitor and Side view camera (Left/Right side view camera is controlled by Left/Right steering lamp). When steer turning is finished, after 1.5 seconds, it will switch to front view camera, if no signal input, will shut off front view camera automatically after 15 seconds. 3.Automatical rear view. When you pull the reverse gear, the system will activate the monitor and rear view camera till the reverse gear switch back, then switches to front view camera, if no any trigger activation, front view camera will shut off after 15 seconds. 4.Front view controled by switch(included) After press Front View Switch, if no other camera triggered, car monitor and car front view camera will be working all the time, but if a trigger activate, it will switch the video to the activated operation. After that, it will switch back to front view video, you can shut off the front view video by repress the Front View Switch. Parameters: The system working current: Max: 50MA. (Excludes working current of cameras) The system working power: 9-30V. (Power supply to cameras is the same as the system input voltage, in 24V vehicle, please use 24V cameras) System signal: PAL/NTSC/SECAM Video output: 1.0VPP/75 Working temperature: -20-80 'C Operation Temperature: -40-85'C -Other feature:Concealed installation;Waterproof, dust-proof design;