... -217F)5. certificates:CE,CB,UL,GS,SAA,ROHS ect6.Portable and low leakage current, low audio noise.7.Tolerance lightning ... praise by customers.Specs:1.input voltage:100~240Vac2.Input frequency:50/60Hz3.output voltage: 4~15Vdc4.output current:1000mA~2000mA5 ... 100MΩ(min) universal switching power supply for electronics with 60Hz frequency,output 12w max and UL,FCC,ROHs marks