uxcell CCTV Camera BNC Video Balun RJ45 UTP Power Coax Transceiver Cable Adapter 2pcs Product Name : Video Balun;Material(External) : Plastic, Metal;Color : Silver Tone, Black, Gray Video Input/Output : BNC Male;Power Input/Output : 2.1x5.5mm Male/ Female;Transfer Distance : Up to 100m Power : DC 12V;Impedance : BNC: 75ohm, UTP RJ45: 100ohm; Lower cable cost and labor. Fit Cable : UTP RJ45 Cat5(not include);Adapter Size : 4.3 x 2.2 x 2.2cm/ 1.7" x 0.87" x 0.87" (L*W*H) Weight : 62g;Package Content : 2 x Video Balun; Full-motion CCTV video at distances.