Wireless Room-to-Room 2.4GHz Audio/Video Sender Features : Color: Black Wireless transmission up to 100 feet Easy to install and operate Can be connected to any AV devices such as CCTV camera, Video camera, etc. Uses 2.4 GHz signal and FM modulation for superior performance Number of channels: 4 channels A/V mod method: FM Signals transmitted/Receiver: video and audio (L & R channel) Input and output: RCA Jack for Video and Audio (L & R) Power source: DC9.5V 700mA Package Content: 1 x 2.4GHz Transmitter. 1 x 2.4GHz Receiver. 2 x Adaptor