Product Brand new and high quality,buy with confidence Note:The (RX=) Receiver cannot be used alone, it must be used with a (TX) Transmitter 1 TX can pair with up to 2 RXs,pls buy the extra RX according to your needs 1. Introduction: This HDMI extender built-in wireless transmission protocol,it can wireless transmit HD audio and video signal, at the same time,The equipment has excellent image processing and transmission capacity,makes signal transmission more smooth and steady,is a kind of economic and efficient way of HDMI signal extension. 2. Features: a. HDMI video and audio transmission via built-in wireless transmission protocol, up to 50 meters under 1-to-1 mode,up to 30 meters under 1-to-2 mode Can't go through walls,pls use it in a barrier-free open space, because the walls,barriers will block signal transmission,the actual transmit distance depends on the actual use condition, if need to use go through wall,pls contact us. b. HDMI 1.3 compatible; c. In accordance with standard HDCP1.2 ,high-bandwidth digital content protection technology; HD video signal resolution up to 1920x1080@60Hz; Special format is to compress and decompress video,effectively improve the transfer efficiency,to ensure that the playback fluency; Able to automatically identify and configure a variety of display mode; Built-in automatic balance system, the picture is fluent, clear and stable; The built-in ESD electrostatic protection circuit, comprehensive security protection system; Simple and convenient installation, plug and play, do not need to set up. 3. Packaging Accessories FOR a set of "1 TX and 1 RX" : HDMI transmitter------------------------------------------------1 PCS HDMI receiver ---------------------------------------------------1 PCS HDMI Male to Female Extension Cable -------------------2 PCS USB Power Cable-----------------------------------------------2 PCS User Manual------------------------------------------------------1 PCS 4. Technical parameters: Parameter Video Standards HDMI 1.3; HDCP 1.2 Compressed format H.265 Maximum pixel clock 165MHz Maximum data rate 6.75Gbps Resolution Max: 1920X1080p@60Hz Connector HDMI-AM Impedance 100 Recommend HDMI maximum input/output range Less than 5 meters, when 1920 x1080p@60Hz WIFI Radio Frequency power 13dbm Wireless standards 802.11ac signal direction Unidirectional Radio frequency 5.8GHz Transmission distance 50M(Max) Other Power DC 5V Power dissipation MAX 5W Temperature Operating:-5 ~ +70 Humidity Operating:5% ~ 90% Size 90*39*10mm Note: Please allow minor errors due to manual measurement. Item color displayed in photos may be showing slightly different since monitors are not calibrated same.