PACKAGE CONTENT - DC Power 5.5mm x 2.1mm 2A 28cm Length Barrel Female Plug Connector Pigtail Specification - Wire length: 30cm/11.81' ; Interface Size: 5.5*2.1 ; Core size: 2*0.75mm2 ;Wire outer diameter: 3.5mm ;Rated current: 2A 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.