ITEM NAME:DC12V 3A 5.5 * 2.1MM DC Electrical Outlet E4I5 DC12V 3A 5.5 * 2.1MM DC Electrical Outlet E4I5 Metal panel mounting plastic / metal 2.1mmx5.5mm DC socket 2 terminal type-positive & negative Fitting hole of 7.8mm required. Complete with rear fixing locking nut. It will take 3.2mm push on connectors or solder fit. Color: Black Requires total clearance behind panel of 13mm Contact: MAX 3A 12V DC Connector Size: 2.1mm x 5.5mm x 9mm Product Size: 10mm x 10mm x18mm Max Panel Depth: 3mm Package includes 1 x DC Electrical outlet 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..1 x DC Electrical outlet. Fitting hole of 7.8mm required. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. It will take 3.2mm push on connectors or solder fit.