Descrption:100% Brand New And High Quality.Male RJ45 to screw terminalsRJ45 Male Plug To Screw Terminal Block Converter Adapter for Digital DVRThe RJ45A RJ45 to Screw Terminal adaptor is wired in accordance with the EIA/TIA 568B wiring standard for structured cabling.Please refer to the wiring/pinout diagrams for details as to how UTP conductors are landed on the screw terminal side and marked according to each input channel. Connectors: Male RJ45 to-screw-terminalsUse with Hubs that have RJ45 video portsHeavy duty design assures reliable connectionslength about :30cm