5.5*2.1mm Female CCTV Power Connector with 30cm (CT5091)Description:Reverse 2.1mm Power PlugDC Plug: 2.1*5.5*12mmPVC: red and blackLength of cable: 0.3mMaterials: Pure copper,Website:http://www.chinaskycctvs.com, 24*0.12mm*2CNet Weight: 10g/pieceApplications: CCTV surveillance systems, security systems, LED lighting, power supplies, etc.