Features:Brand New and High QualityUniversal AC input / full range100% full load burn-in testProtections: overload/ over voltage/ short circuitCooling by free air convection(Not suggest for use in bathroom)Specifications:L， N: AC power inputGND: DC power output "-"V: DC power output "+"Input Voltage: 220/110VOutput Voltage: 12V DCOutput Current: 20AOutput Power: 250WSize: 19.5*10.5*5 cmPackage included:1 X 20A Power Supply Transformer