uxcell CCTV Camera BNC Video Balun Cat5 UTP Coax Transceiver Cable Adapter 12pcs Product Name : Video Balun;Material (External) : Plastic, Metal;Features : 1 Channel; Full-motion CCTV video at distances. Transmission Distance : 600M(B/W), 400M(Color);Connectors : BNC Male and "Press-Fit" Terminal Blocks Wire Type : One Unshielded Twisted Pair;Color : Silver Tone, Black, Dark Gray; Lower cable cost and labor. Total Length : 16cm / 6.3";Each Dimension(Gray Part) : 3 x 1.4 x 1.4cm / 1.2" x 0.6" x 0.6" (L*W*H) Weight : 240g;Package Content : 12pcs x Video Baluns; Video Transmission via UTP CAT5 cable