AC/DC Switching Power Adaptors Input voltage:AC90-240V/47-63Hz Output voltage:DC3-24V/0.3-2.3A U.S European, U.K wall plug in type. With UL, CUL, CSA, TUV, CE, GS, PSE, approved For Chargers, PDA/HUB, MP3, Digital camera, Notebook, ADSL modem, External HDD/CD-RW/CD-ROM etc ..