1、2.4GHz ISM frequency band, 8 groups of selectable channels, 1000 feet transmission range without any holdback. 2、A display screen indicate the selected channel. Support PAL/NTSC system and stereo audio transmission. 3、Patented wireless technology, avoiding the interference from other wireless device. 4、The transmitter supports 1 RCA audio and video signal input while the receiver supports 1 RCA audio and video signal output. 5、Support 1 transmitter and more than one receivers at the same time, when keeping transmitter and receiver setting at the same channel. 6、Support superheterodyne 433MHz infrared remote signal transmission, while compatible for 38KHz infrared carrier control signal. 7、The transmitter is equipped with built-in infrared signal emission or infrared transmission extension cable. 8、Aluminum alloy shell, super heat dissipation effect, effectively ensuring the working time and service life. 9、Full hardware design without installing any software, without any setting, plug and play. Item Type: Transmitter and Receiver Condition: 100% brand new Color: Silver Material: Aluminium alloy Mode: Wireless Frequency Band: 2.4 GHz Standard: PAL/NTSC Interface: RCA (AV) Infrared Remote Control: 38KHz Transmission Distance: ≤300m/984ft 1 x Transmitter 2 x Receivers 3 x Power Adapters 3 x Audio/Video Connecting Cables 3 x Movable Brackets 1 x Mounting Screw Pack 1 x IR Extension Cord 1 x User Manual