... ,PSE etc. certifications. 3.Type: USB or with Cable 6W Switching power adapter with CB,UL,CE,FCC,PSE certifications SpecificationInput Voltage range ... -4-4 Fast transient immunityIEC61000-4-5 Surge immunityIEC61000-4-6 Conducted disturbance immunityIEC61000-4-11 Voltage dips,interruptions&variationsEN55022B; EN55013 ... 8.9 9.0-12 1.2 0.6766 6W Switching power adapter with CB,UL,CE,FCC,PSE certifications