Specification:Item Type: Video SwitcherMaterial: ABSWide Voltage Power Supply Input: DC8V-16V, large truck: DC24V-12V power supplyRemote Control Battery: CR2025 (included), capacity: 170mAhConverter Size: Approx. 80 x 40 x 20mm/3.1 x 1.6 x 0.8inWireless Remote Control Size: Approx. 40 x 10mm/1.6 x 0.4inWiring:1. The blue wire is connected to the reversing light for trigger control2. The white wire is connected to the left flashing light for trigger control3. The green wire is connected to the right flashing light for trigger control4. The red and black wires are +12V power input wires5: Remote Control: M key-mode switch and exit video output trigger functionB button rear viewR key right viewL key one left viewF key-front view1. When the remote control button presses any key to work, both the indicator light receiver and the remote control LED will flash, indicating that the transceiver is normal.2. Long press the M button on the remote control for 5 seconds, the receiver LED will flash 2 times, indicating the functions of Mode 1 "Automatically switch to front view after rear view" and Mode 2 "Exit directly after closing back view". Perform switching work. Finally, restart the power to use.3. Remote control codes matching mode, often press the receiver button for about 3S, the LED light of the receiver goes out, press any button of the remote control, the receiver LED flashes twice, indicating that the codes is completed, and finally restart the power to use.Package List:1 x Video Switch Box1 x Remote Control