brand new and high quality Feature: The product consists of a transmitter and a receiver. Strong long Transmission Distance of about 200M/660Feet. Works with digital TV converter boxes to send an A/V signal to any TV in any room. It adopts an advanced 2.4GHz wireless transmission scheme and has the advantages of a long transmission range, strong anti-interference and high mobility. It can transmit AV signals of DVD, DVR, CCTV camera, IPTV, Satellite receiver, Digital TV Set Top Box etc and other similar devices, by means of radio waves and receive them at distant end and input them to a TV set to be displayed. It enables you to easily realize wireless sharing of AV data and enjoy untrammeled Hi-Fi audio and visual effect. Support 8 selectable Channel with 2.4GHz: Effectively avoid wireless signal interference from router and other wireless device. Support any AV(RCA Connector) output devices, VCD, DVD, IPTV, DVR, Satellite receiver, CCTV Camera Digital STB etc. Suitable for one-floor with 1-2 walls.Images received by means of radio are vivid and stable, the color is flamboyant, and the sound is clear. Plug and Play:no required install software,without any setting. Specifications: Item Type: Wireless Transmitter+Receiver Material: plastic+metal Size: 10x10x2.7CM/3.9x3.9x1.06in Color: Silver Plug Type: US Plug, UK Plug, EU Plug, AU Plug(Optional) Frequency: 2.4GHz Sensitivity: -90dBm Transmission power: 50mW Channels: 8 groups Transmission range: 660 feet AV input/output: RCA Power input: 5V/1000mA Operating temperature: 32-104/0-40 Storage temperature: -4-140/20-60 Humidity: 20-90%RH Quantity: 1 Set Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Transmitter 1 x Receiver 2 x Power Adapter 2 x AV Cable 2 x Wall-hung bracket 1 x User Manual