... -217F)5. certificates:CE,CB,UL,GS,SAA,ROHS ect6.Portable and low leakage current, low audio noise.7.Tolerance lightning ... is high,up to 10kv.8.Best customer service.The products have complete specification, reasonable and competitive price, prompt delivery, so ... .insulation resistance:DC 500V 100MΩ(min) white switching power supply for digital products with 60Hz frequency,output 12w max and UL,FCC ...