Function:This HDMI extender breaks the problem of the expensive HDMI cable transmission distance, simply use one network cat5e/6 cable in stead of HDMI cable to extend HDMI signal to 50m , saving your money and space. NOTE: Must use Cat5e cable, the transmission distance can reach 50m.Features:TX: HDMI Tramsmitter:Input: HDMI X 1Output: RJ45 X1, HDMI X1DC power port X 1SET button: Reset, if the screen flickers after extending, you can short press the TX SET button to adapt the distance and network cable.Support POE(Power Over Ethernet), should be 5V power supplyRX: HDMI Receiver:Input: RJ45 X 1Output: HDMI X1No power requiredSpecifications:* Input/Output video signal:Input: 0.5-1.0 volts p-pOutput:HDMI 1.3* Input DDC signal: 5 volts p-p(TTL)* Video format: 1920x1200, 1080P* DTV/HDTV format: 1080p/1080i/720p/576p/576i/480p/480i* Transmission distance: CAT6 cable 50M/164ft for 1080pPackage Contents:HDMI Tramsmitter TX *1pcsHDMI Receiver RX *1pcs5V DC Power Supply *1pcsUser manual *1pcs