100-240 volts, 1.2 amps, 50/60 Hz, output: 12.0 volts to 4.0 amps UL, PSE, VDE, CCC, SAA, and BS have all approved the two-pin AC plug. High efficiency of conversion Low power for standby Becomes an Energy Star 2.0 complies with the RoHS and WEEE standards In violation of the ITU-TK.21 Standard Conforms to GS, UL, RCM, CCC, CE, FCC, and CB Protection against short circuits, overvoltage, and overcurrent Broad voltage input for global use Apply for security, education, ADSL, and routers. Two-Year Guarantee