Product is brand new, high quality, buy with confidence Note: (RX=) receiver cannot be used alone, must be used with (TX) transmitter 1 TX can be paired with up to 2 RX, please follow the instructions below to purchase additional RX for your Requirement 1. Introduction: This HDMI extender has a built-in wireless transmission protocol, which can wirelessly transmit high-definition audio and video signals. At the same time, the device has excellent image processing and transmission capabilities, making the signal transmission smoother and more stable. It is a cost-effective HDMI signal extension. Way. 2. Features: HDMI video and audio are transmitted through the built-in wireless transmission protocol, up to 50 meters in 1-to-1 mode, and up to 30 meters in 1-to-2 mode. It cannot penetrate walls. Please use it in obstacles - free space, due to walls , Obstacles will block signal transmission. The actual transmission distance depends on the actual usage. If you need to use it through a wall, please contact us. b. Compatible with HDMI 1.3; C. Complying with HDCP1.2 standard, high-bandwidth digital content protection technology; high-definition video signal resolution up to 1920x1080@60Hz; special format to compress and decompress video, effectively improving transmission efficiency and ensuring smooth playback; able to automatically identify and configure multiple displays mode; built-in automatic balancing system, the picture is smooth, clear and stable; built-in ESD electrostatic protection circuit, comprehensive safety protection system; simple and convenient installation, plug and play, no setting required. 3. A set of "1 TX 1 RX" packaging accessories: HDMI transmitter-------------------------------- - ---------------1 PCS HDMI Receiver------------------------------ ------------ ------------------1 PCS HDMI Male to Female Extension Cable------------ ------2 PCS USB power cord------------------------------------------ -------------------------- 2 PCS User Manual--------------------------- ----------------------------------------1 PCS 4. Technical parameters: Parameter video standard HDMI 1.3; HDCP 1.2 Compression format H.265 Maximum pixel clock 165MHz Maximum data rate 6.75Gbps Maximum resolution: 1920X1080p@60Hz Connector HDMI-AM Impedance 100 Recommended HDMI Maximum input/output range 1920 x1080p@60Hz Less than 5 meters WIFI RF Power 13dbm wireless standard 802.11ac Signal direction one-way radio frequency 5.8GHz Transmission distance 50M (maximum) Other power supply DC 5V Maximum power consumption 5W Working temperature: -5 ~ +70 Working humidity: 5% ~ 90% Size 90*39*10mm Note : Please allow slight errors due to manual measurement. Due to different monitor calibrations, the color of the item shown in the photos may vary slightly.