[Extended Wireless Range]Operates on the 5.8GHz ISM band with up to 300m unobstructed transmission distance, supporting wall-penetrating signals for reliable performance in larger spaces. [8 Channel Selection]Digital display makes it easy to switch channels, helping to avoid interference and maintain stable AV transmission. [Patented Anti-Interference]Advanced technology effectively blocks signals from walkie-talkies, routers, and other wireless devices for uninterrupted viewing. [PAL/NTSC Compatibility]Supports both video formats with RCA AV input (transmitter) and RCA AV output (receiver), ensuring wide device compatibility. [Plug & Play Design]Full hardware setup, no software or drivers required. Supports one-to-one or one-to-multiple receivers on the same channel. Specifications: Transmission frequency: 5.8GHz Sensitivity: -90dBm Transmitter power: 50mW Channel selection: 8 groups Transmission distance: 300 meters Input/output ports: RCA 1-channel video input/output: 1Vp-p (PAL/NTSC) 1-channel audio input/output: 1Vp-p (Stereo) Power input: 5V 1000mA Dimensions: 100*100*25mm Operating temperature: 32~104℉/0~40℃ Storage temperature: -4~140℉/20~60℃ Humidity: 20~90%RH