Features: 100% brand new and high quality Connect the RJ45 port of the transmitter and receiver with CAT-5E/6 network cable CAT-5e/6 cables can replace HDMI-compatible cables for long-distance transmission. The network cable complies with the IEEE-568B standard. Using CAT-6 cable, the transmission distance can reach 30 meters(98ft). Transmitter and receiver are used in pairs, no need to set up, no need for external power supply. The signal rate is up to 2.5 Gbps, supports 1080P, this model does not support HDCP Package Includes: 1x HDMI signal TX adapter 1x HDMI signal RX adapter Specifications: Material: ABS Suitable Cat-5e/6 Color:Blue/Black Size: approx 6.3x3cm/2.48x1.18in Plug and play: Support Hot Plug; Support 3D 1080P HDMI-compatible 1.4 Resolution, 4k 2k Support HDCP1.1/1.2 Support Resolution: 480i/p, 576i/p, 720p, 1080i/p, 4k 2k note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.