Can be used as PC / PCB mount jack 5.5mm jack with 2.1mm center pole diamater Current Rating: 5A Voltage Rating: 12V Operating Temperature Range: -16 to +65 deg C Insulation Resistance: 100M Ohms Material: Plastic Color: Black Package Included:10 x DC Jack 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.