... -nose 3.small enough to carry around Specification of ac adapter: 1.lnput voltage: AC 100-240V 2.Frenquency: 50/60 ... the EN55022B,GB39254 standard Suggested application: Digital Camera, Notebook/laptop adapter ,ADSL AP, Wireless Lan Station, LCD power supply, Hard Disk ... , Any Portable Device or Machine ,etc. Detailed picture of ac adapter :