Item Name: DC Power Cable Male Connector Specification: 18 AWG, 5.5mm x 2.1mm/2.5mm Male Barrel Connector, 2A, Used by DC 9V~24V. 30cm/50cm/100cm Length PCs in Item: 1 PCs Manufacturer: N/A, Made in China Note: Model format: 5.5mm x 2.1mm: DC-5521; 5.5mm x 2.5mm: DC-5525;