Easy to use and Plug & Play? The Wireless HDMI Transmitter and Receiver Kit is auto paired before factory, which is truly plug-and-play. No apps, no Wifi required. Simple and efficient for saving your time and keeping your office/room tidy.Support 1TX to 4RXs(Max)? With the Wireless Video Transmission Systems, allows you have up to four receivers bound to one transmitter. As RX increase, the wireless transmission distance will be shortened. 1 TX to 1RX up to 490FT;1 TX to 2RXs up to 262FT;1 TX to 3RXs up to115FT; 1 TX to 4RXs up to 65FT. The Wireless HDMI Extender uses 5G/2.4GHZ dual-band WIFI technology, The 5GHZ frequency band is faster, more stable, and anti-interference, and the 2.4GHZ frequency band with 490FT longer transmission distance. These Wireless HDMI Extender kits are lightweight and easy to carry for outdoor business presentation. Compatible with most HDMI output devices, laptop, PC, Camera, DVD, DSLR, Set-top boxes, Cable/Satellite boxes, tablet and more. Suitable for conference rooms, home entertainment and multimedia education.