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