Description DC inline switch. ON/OFF function. Size of DC jack plug: 5.5mm x 2.1mm. Cable length: 30cm. For DC power voltage: 5V-24V; current: 2A max. These DC switch cables are only suitable for devices with 5.5mm x 2.1mm DC jack plug. NOT suitable for devices with DC jack plugs of 3.5mm x 1.35mm or other sizes. Widely used for LED strip, CCTV camera, security DVR, car, boat, monitors, printers, sensors, etc. Please check whether the DC jack plug size is 5.5mm x 2.1mm. Flexible and durable: The tinned pure copper wires stranded inside, so it can take a lot of bending without breaking. Pure copper wires electroplated with tin can prevent oxidation, which ensures flexibility, durability, perfect electrical conductivity and longer service life.