PACKAGE CONTENT - 6pcs DC Power 5.5mm x 2.1mm 2A 30cm,Barrel Male Plug Connector Pigtail SPECIFICATION:Interface specifications: 5.5 * 2.1 ;Wire outer diameter: 3.5mm ;Rated current: 2A;Wire length: 30cm / 11.81' ADVANTAGE - pure copper high-quality wire core, strong electrical conductivity APPLICATION - Used to monitor high-power power supply or electronic equipment such as LED. NOTED - Please make sure that the power cord DC plug matches your device before purchase.