[Long-Distance Transmission]Supports up to 200m unobstructed wireless AV transmission with wall-penetrating capability for stable signal coverage. [8 Selectable Channels]Digital display for easy channel switching, reducing interference for clearer audio and video. [Anti-Interference Technology]Blocks signals from routers, walkie-talkies, and other 2.4GHz devices to ensure reliable performance. [PAL/NTSC Compatible]Works with a wide range of devices via RCA input/output, including DVD players, cameras, and set-top boxes. [Plug & Play Setup]No software or complex installation required. Supports one-to-one or one-to-multiple receiver use on the same channel. Specifications: Product size: 100*100*25mm Transmission Frequency: 2.4GHz Sensitivity: -90dBm Transmit Power: 50mW Channel Selection: 8 Groups Transmission Distance: 200m Input/Output: RCA 1-ch Video Input/Output: 1Vp-p (PAL/NTSC) 1-ch Audio Input/Output: 1Vp-p (Stereo) Power Input: 5V 1000mA Operating Temperature: 32~104℉/0~40℃ Storage Temperature: -4~140℉/20~60℃ Humidity: 20~90%RH