Product Features: One pair as a full functional module, no need of setting. CAT-5e/6 cable can substitute HDMI cable to achieve long-distance transmission. Follow the standard of IEEE-568B. Transmission distance can be up to 30 meters for 1080P, up to 5 meters for 4k x 2k using CAT-6 cable. Support hot-swapping. Plug and play. Signaling rater up to 2.5Gbps in support of 1080p display. HDCP compliant. No need for an extra power supply. Product Specification: Type: 2pcs HDMI to RJ45 Ethernet Adapter Resolution: Up to 4k x 2k Material: High grade PVC Support Resolution: 480i/p,576i/p,720p,1080i/p,1920x1200,4k x 2k Suitable for: CAT-5e/6 cable Package Included 2 x HDMI to RJ45 Ethernet Adapter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.