Wireless Hdmi Transmitter Receiver 4k, 492ft Range Plug&play Extender RRP £160

Wireless HDMI Transmitter and Receiver 4K, 492FT Range Plug&Play HDMI Extender Kit, 5G HDMI Video Transmission System 4K Full HD for Streaming from DSLR/Laptop/Netflix/YouTube to TV/Projector

eBay