ITEM NAME:10pcs 5.5x2.1mm Male Solder Dc Barrel Tip Plug Jack Straight Connectors For D1L1 10pcs 5.5x2.1mm Male Solder Dc Barrel Tip Plug Jack Straight Connectors For D1L1 Material: Plastic, metal Type: 5.5mm x 2.1mm Male Outside Diameter: 5.5mm Inside Diameter: 2.1mm Length: 4.5 cm Color: Black Operating temperature: -50 ~ 65 Celsius Connector Polarity: + inside and outside Scope: DC power supply, monitoring equipment, LED lights, switches and other devices. Package includes: 10 x DC Jack Connectors Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.