Features: A pair of complete functional module, without setting. Connect RJ45 port of transmitter and receiver with CAT5E/6 networking cable. CAT5e/6 cable can replace HDTV-compatible-compatible cable for long-distance transmission,convenient. The networking cable conforms to the IEEE568B standard. Using CAT6 cable, the transmission distance can reach 30meters. These transmitter and receiver used in pair, without setting and external power supply. Transfering is as high as 2.5Gbps, which supports 1080P, but this model Not support HDCP; Specifications: Material: Hard Plastic Suitable Cat5e/6 Color:Blue, Black (optional) Support transmission distance can reach 30meters Support 3D 1080P HDTV-compatible 1.4 resolution, 4k2k Support HDCP1.1/1.2 Support resolution: 480i, 576i, 720p, 1080i, 1920x1200,4k2k Size:about 5x2.50cm/1.97x0.98in Package Includes: 1 Pair HDTV-compatible-compatible Extenders note: Due to problem of lighting,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurment