50ft 12V DC Extension Cord, Male to Female 5.5mm(outer diameter)x2.1mm(inner diameter) connector for power plug, 2.1mm center positive power connection type, please check the power plug size before purchase, does not work with other connector size. | 50ft(15M) 12 Volt DC 2.1mm x 5.5mm Plug | Fits for any applications, devices and power adapters require DC 12V power, such as security camera, router, printer, audio pickup device and so on. Extend additional 50ft/15 meters length to deploy or setup these devices. | To Extend the Adapter Cable for any Brand IP Security Camera and CCTV Security Camera,Standalone DVR | Easy to use, Plug and Play, Used for DC 12V power adapter wall charger Audio camera LED, Car, more