Features: 1.The installation is extremely easy, the receiver connect to monitor, and the transmitter connect to rear camera, avoid 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 reverse, the monitor will automatic show backup picture full time, more intelligent to use. 4.You could connect all parts to constant power or 9V/12V battery (not included), when using for car rear view camera. 5.In an open and undisturbed place, the receiving distance can reach about 100 meters, more efficient to use. Specification: Item Type: Backup Camera Transmitter_x000D_ Material: ABS_x000D_ Length: Approx. 120cm/47.2in_x000D_ Working Voltage: DC 12V_x000D_ Working Current: 200mA_x000D_ Working Temperature: -20 to 80_x000D_ Receiver Sensitivity: -85Dbm_x000D_ Video in/out: NTSC / PAL_x000D_ Transmit/Receive Frequency: 2370 MHZ-2468 MHZ_x000D_ Transmitting/Receiving Distance: Approx. 0-100m/0-110yd (In an open and undisturbed place, the receiving distance can reach 100 meters)_x000D_ How to Use:_x000D_ 1. Wireless transmitter power connection: _x000D_ Red to reverse lamp power supply +_x000D_ Black to reverse lamp power supply -_x000D_ 2. The yellow RCA video input plug connect RCA video output jack of rearview camera._x000D_ 3. The red power output plug connect the rearview camera power supply jack.