The item is a set of professional and practical 2.4GHz wireless transmitter & receiver, which is easy to install, and can convert any reversing camera with a standard phono/RCA connector into a wireless camera. It eliminates the need to run a cable the length of the vehicle, just connect the transmitter at the camera end and the receiver at the monitor end. Features - Color: as shown in the pictures. - Material: durable hard plastic and copper wire. - Transmitter/receiver cable length: about 1.2m. - Power: DC 12V. - Working range: Up to about 50m (Hollowness). - and 2.4GHz Wireless RCA Video Transmitter & Receiver Set. - Wireless 2.4GHz transmitter/receiver set (12-Volt for vehicle installation). - Fit all RCA composite video connections. - Connects to rear-view camera and front video screen. - Easy installation: it takes one minute get your camera become a wireless camera - Convert any reversing camera with a standard phono/RCA connector into a wireless camera with this universal transmitter and receiver kit. - Eliminates the need to run a cable the length of the vehicle, just connect the transmitter at the camera end and the receiver at the monitor end. - The transmitter also includes a handy pass through for the power so you can connect it inline with your camera. - Wireless transmitter with male phono plug and male 3.5mm power plug for supplying power to the camera. - Wireless receiver with male phono plug for connection to monitor. How to Use 1. Take out your stock license plate light at the back of your car. 2. Fix the camera to where the stock license plate light was. 3. Connect the built-in license plate light of the camera to where the stock license plate light was connected to get the power. 4. Connect the wireless module (transmitter) to your camera via the two cables - yellow plug for AV output and black plug for power. 5. Connect the wireless module (transmitter) to the reverse light of your car to get the power - red wire for positive and black wire for negative. 6. Connect the wireless module (receiver) to your car monitor - yellow plug for AV input. 7. Connect the wireless module (receiver) to your car battery or cigarette lighter to get the power - red wire for positive and black wire for negative. 8. You will see the images when your car is in reverse shift.