The camera plug consists of a high-quality PVC shell and a pure copper core, capable of handling currents up to 5A and voltages ranging from 1 to 36 volts Barrel connectors Size: Includes 10 female 5.5mm x 2.1mm DC adapters; 10 male 5.5mm x 2.1mm dc plug The 12v connectors easy to install, no soldering/crimping required, just plug the cable into the DC adapter and tighten with a screwdriver. Application: For 5V 12 V 24 V vdc Volt Power Supply CCTV Cable Connection Led Strip Extention Video Balun Security Tailgat Camera DIY Board Application: For 5V 12 V 24 V vdc Volt Power Supply CCTV Cable Connection Led Strip Extention Video Balun Security Tailgat Camera DIY Board