uxcell 2PCS CCTV Camera BNC Male Connector to UTP RJ45 4 Channel Passive Video Balun Product Name : Video Balun;Material(External) : Plastic;Frequency Response : DC-8MHZ CMRR(Common Mode Rejection Ratio) : 60DB;Impendance : BNC:75OhmRJ45:100Ohm;Working Temperature : -10degree to 70degree Storage Temperature : -30degree to 70degree;Each Video Input : BNC Male Connector;Fit Cable : UTP CAT5 (Here is not included) Body Size : 74 x 34 x 25mm/ 2.9" x 1.3" x 1"(L*W*H);Total Long : 17cm / 6.7";Color : Silver Tone, Black, Gray Weight : 237g;Package Content : 2 x Video BalunSome Screws