: new and high quality,buy with confidenceNote:The (RX=) Receiver cannot be used alone, it must be used with a (TX) Transmitter1 TX can pair with up to 2 RXs,pls buy the extra RX according to your needs1. 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 signaltransmission 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 modeCan't go through walls,pls use it in a barrier-free open space, because the walls,barriers will blocksignal 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 improvethe 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 PCSHDMI receiver ---------------------------------------------------1 PCSHDMI Male to Female Extension Cable -------------------2 PCSUSB Power Cable-----------------------------------------------2 PCSUser Manual------------------------------------------------------1 PCS4. Technical parameters:Parameter DescriptionVideo Standards HDMI 1.3; HDCP 1.2Compressed format H.265Maximum pixel clock 165MHzMaximum data rate 6.75GbpsResolution Max: 1920X1080p@60HzConnector HDMI-AMImpedance 100Recommend HDMI maximum input/output range Less than 5 meters, when 1920 x1080p@60HzWIFI Radio Frequency power 13dbmWireless standards 802.11acsignal direction UnidirectionalRadio frequency 5.8GHzTransmission distance 50M(Max)Other Power DC 5VPower dissipation MAX 5WTemperature Operating:-5 ~ +70Humidity Operating:5% ~ 90%Size 90*39*10mmNote:Please allow minor errors due to manual measurement.Item color displayed in photos may be showing slightly different since monitors are not calibrated same.