1. Use -5E/6 network cable to connect the RJ45 port of TX at the transmitting end and at the receiving end 2. -5e/6 cable can replace cable to realize long-distance transmission. 3. cable shall comply with IEEE-568B standard. With -6 cable, the transmission distance can reach 50 4. The product is small and convenient 5. The transmitting end and receiving end are used in pairs without setting and external power supply 6. The signal rate is up to 2.5Gbps, supports 1080P and HDCP 7. The TX transmitter is equipped with a -usb charging port, which can supply power to the transmitter and make the transmission more stable color:Black Material:plastic Package Contents: 1 x extender transmitter 1 x extender receiver 1 x USB power cable Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.