Product Features: Plug and play:Simply connect transmitter(TX) to HDMI port on PC/Laptop,then connect receiver(RX) to HDMI port on HDTV/projector/monitor. Driver free and auto pairing with a true plug-and-play experience. Eradicates HDMI wiring between device and TV. Wirelessly stream up to 50M (clear line of sight). High quality wireless transmission: Supports high-definition videos up 1920x1080@60HZ. Special format is used to compress and decompress video(H.265), effectively improve the transfer efficiency, to ensure that the playback fluency. Digital 5.8GHz frequency wireless A/V high-speed transmission. Compatible with HDMI 1.3 and HDCP 1.2 . Wide Compatibility: HDMI interface is highly compatible and can be convertible to other interfaces. The device with HDMI interface can be used directly, and the device without HDMI interface can be used with HDMI converter. Our wireless HDMI transmitter and receiver kit support for windows, macOS, iOS and android screen sharing,It's perfectly suitable for you used for education,conference,broadcasting&streaming. Compact and lightweight design:size(LxWxH):108*33*12mm. Wireless HDMI transmitters& Receiver are not only easy to travel with, but also easy to use. Essential for any traveling worker or someone who presents a lot. One-button disconnection and callback design: The button design on the same screen allows one-button disconnection and callback of the connection state to be completed, convenient for personal viewing and large-screen display switch. Warm Reminder:The receiver and Receiver must be powered by connect micro USB to a USB port on the HDMI source display or other USB power Source(not included). NOTE: Signal distance is reduced when working through walls. If you have any questions about the product or use, please feel free to contact me. Note: Please connect the USB power cable when using the product The product only supports the pairing of the emitter and the same screen Mobile screen projection is not supported Parameters: Material :ABS Product size: 108*33*12mm Interface: HDMI input/output (transmitter receiver) Supported resolution: 1920x1080@60HZ Screen projection distance: maximum 50 meters (empty space without walls and signals) Decoding format: H.265 Function: One click connect/disconnect HDMI extension cable length: 50cm Micro USB power cable: 100cm Package list: Transmitter x1 Receiver x1 HDMI extension cable x1 Micro USB power cable x2 Instruction manual x1 Box x1