30w Universal Power Supply Reversible Polarity 3v-12v DC 30 watt 2.5 amp USB Port 8 Adapter Tips Center Tip Positive or Negative 5.5mm*2.5mm...

30w Universal Power Supply Reversible Polarity 3v-12v DC 30 watt 2.5 amp USB Port 8 Adapter Tips Center Tip Positive or Negative 5.5mm*2.5mm 5.0mm*2.1mm 3.5mm*1.35mm 4.0mm*1.7mm 2.35mm*0.7mm 1/8' Brand: ProTechTrader Part Number: VPOW312-30W Color: Black Dimensions: 3.0 in x 2.0 in x 1.0 in Weight: 3.5 ounces