The wireless HDMI-Compatible transmitter and receiver transmission standard technology makes transmission efficiency faster and more stable.It only 129ms Latency(almost real-time). the wireless HDMI-Compatible transmitter receiver kit up to 30m between laptop and connected display. The wireless HDMI-Compatible transmitter and receiver supports video resolution up to 1920x1080@60 and more resolutions, Auto encode, transmission and decode preserves video quality, supporting full RGB color gamut without compression or artifacts. Direct HDMI-Compatible signal connections make the most of high quality video signals and deilver low latency, lag and tear free video Simply connect transmitter(TX) to HDMI-Compatible port on PC/Laptop,then connect receiver(RX) to HDMI-Compatible port on HDTV/Projector/Monitor. Driver free and Plug-and-Play experience. Mini sized and easy to carry them at any time. Compatible with most HDMI-Compatible output devices, laptop, PC, Blu-ray Player, Camera, DVD, DVR, IPTV, Set-top boxes, Cable/Satellite boxes. Support for Windows, formacOS, iOS and android screen sharing,It's perfectly suitable for you used for education, conference, broadcasting & streaming. NOTE:The receiver(TX,RX) must be powered by connect USB to a USB port on the display or other USB power Source. Due to different production batches, the product screen printing appearance may vary, but it does not affect the use. Colour:Black Material:ABS Package Contents: 1 * Transmitter(TX) 1 * Receiver(RX) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.