Blluecell 20 pack of 2.1x5.5mm Female and Male DC Power Adapter Connector for CCTV Camera Use+10 Pack Coaxial Camera Vedio BNC Male Balun Connector for Coax CAT5 to CCTV(30 pcs) Plug Type : 2.1 x 5.5mm DC male and DC Female and BNC Male; Material : Plastic, Electric Parts Color : Silver Tone, Black, Green;Each Dimension : 3.8 x 1.4 x 1.3cm/ 1.5" x 0.55" x 0.5" (L*D) Simply & Professional appearance for power cabling It's easy installed to Single Color of LED lighting system. Reliable connect, good performance. Package included:10pcs BNC male plug+ 10pcs DC female and 10 Pcs male Jack Power connector