Features:1. The installation is extremely easy, the receiver connects to the monitor, and the transmitter connects to the rear camera, avoiding complicated wiring.2. Wireless RCA video receiver/transmitter is to be used with in-car monitor, backup system, head unit, DVD player and camera, etc.3. Only when you pull into reverse, the monitor will automatically display the backup image full time, offering more intelligent operation.4. You can connect all parts to constant power or a 9V/12V battery (not included) when using for a car rearview camera.5. In an open and undisturbed area, the receiving distance can reach approximately 100 meters, providing efficient performance.Specification:Item Type: Backup Camera TransmitterMaterial: ABSLength: Approx. 120cm/47.2inWorking Voltage: DC 12VWorking Current: 200mAWorking Temperature: -20 to 80°CReceiver Sensitivity: -85dBmVideo in/out: NTSC / PALTransmit/Receive Frequency: 2370 MHz-2468 MHzTransmitting/Receiving Distance: Approx. 0-100m/0-110yd (In an open and undisturbed place, the receiving distance can reach 100 meters)How to Use:1. Wireless transmitter power connection:Red to reverse lamp power supply +Black to reverse lamp power supply -2. The yellow RCA video input plug connects to the RCA video output jack of the rearview camera.3. The red power output plug connects to the rearview camera power supply jack.