1.240V 110V Transformer Single Phase(Monophase) Samples can be Shipped By DHL,EMS,TNT, ... UPS,FedEx,etc 2.CE,ISO Certification 240V 110V Transformer Single Phase(Monophase) Samples can be Shipped By DHL,EMS,TNT ... and mechanical equipment of various trades,amd power of signal lamp with AC50-60HZ,input voltage doesnot exceed 500V,output voltage ...