PACKAGE CONTENT - DC Power 3.5mm x 1.35mm 1A 30cm Length Barrel Female Plug Connector Pigtail Specification - Wire length: 30cm/11.81' ; Interface size: 3.5*1.35 ; Core size: 12*0.12 ;Wire outer diameter: 3.5mm 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.