15W switching power supply,switch mode power supply,switching power supply 220v 5v, sigle out put :15W,selectable by switch INPUT: ... .5%load stability:±1%Efficiency:82% Adjustable:±10%AC input voltage range:85~132VAC/170~264VAC, selectable by switch 47~63Hz ... 115V,30A/230VOverload protection:105%~150% hiccup mode ,auto recoveryOver-voltage prtection:setup ,rise ,hold up,time: 200ms 100ms 30mswithstand ...