. A pair as a complete functional module, with no configuration required. CAT-5e / 6 cable can replace the HDMI cable to achieve long-distance transmission. Follows the IEEE-568B standard. Transmission distance can be up to 30 meters for 1080P, 4K * 2K through CAT-6 cable. Supports hot swapping. Plug and play. Signaling display of up to 2.5 Gbps in support of 1080p display. Compatible with HDCP. No need for extra power supply. Product Name: HDMI Extender Product Material: ABS & Metal Product Color: Black Product Size: 5.8cm x 2.5cm x 2.2cm Product Weight: 33g The network cable needs to use a Cat-6 network cable (pure copper and single strand). Stranded cables or Cat-5 cables are not supported. TX is the transmitting end, RX is the receiving end. If an HDMI cable is used, it must be a standard 19+1 pin cable. Resolution needs to be adjusted in the display settings. The network cable can support 4K within 10m (Note: the network cable must be pure copper, single strand). Package Contents: 1 * HDMI Extender 1 * HDMI Signal Receiving Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.