INPUT/ OUTPUT SPECIFICATIONS: INPUT VOLTAGE: 100V-240V AC, 50/ 60Hz RANGE VOLTAGE: 90V-264V AC, 47-63Hz OUTPUT POWER: 30~ 60W OUTPUT VOLTAGE: DC 5.0V ~ 48.0V OUTPUT CURRENT: 1.0A~ 6.0A OVER VOLTAGE PROTECTION: 120% min OVER CURRENT PROTECTION: 120% min SHORT PROTECTION: AUTO RECOVERY LOAD REGULATION: ± 5% MTBF: 50000H SAFETY: PSE UL CE GS EK FCC CB BS APPLICATION: ANY PORTABLE DEVICE OR MACHINE TESTER MACHINE AND INDUSTRIAL MACHINE COMMUNICATION TERMINALS DIGITAL PRODUCT AND RADIO DEVICE MEDICAL AND EXERCISE DEVICE OR EQUIPMENT