... quality 100% guarantee 12v 5A laptop AC/DC adapter Specifications : Item WKB-04Input Voltage AC 100-240V,50/60HzOutput Voltage 3V ... Protection Yes Short Protection Auto Recovery Load Regulation±5%AC Inlet Plug-in type Insulation Strength Class AOperating Temprature- ... ~ 95% RH Non-condensingCase MaterialsPC, ABS, or equivalentSize114*50*31 mmOutlet 3-prong/2-prongStandardsCCC, CE, CB, UL, SAA, VDE ...