Atoplee 1pc DC 12V 1A 2.1x5.5mm for DC in Line Power Cable Connector Jack Wire With ON OFF Switch for LED Strip Light [Black] Material: plastic+copper;Item color:black Net weight: approx 23g; Input voltage: DC 12V Full length: approx 30cm Size of DC head(male & female): 2.1*5.5mm Package Included: 1pc On/Off Switch 2.1mm/5.5mm Connector