Measy AV Adapter Wireless Audio/Video Transmitter and Receiver 660 Feet/200m Range Signal Go Through Wall

Features: Adopting advanced wireless transmission technology. 660 feet transmission range without any holdback. Patented Wireless technology, avoiding the interference from other wirless device. A display screen indicate the selected channel. Support 1 group of AV signal input/output. Support 1 transmitter and more than one receivers at the same time, when keeping transmitter and receiver setting at the same channel. Support PAL/NTSC system and stereo audio transmission. Without installing any software, without any setting, plug and play.