... ,PSE etc. certifications. 3.Type: USB or with Cable 6W Switching power adapter with CB,UL,CE,FCC,PSE certifications SpecificationInput Voltage ... .4AEfficiency: meet energy star level VNo load power consumption<0.3WRipple&noise: <150mVOperation ambient: 0-40°C Humidity:<95%RHStorage ambient: -20 ... -8.9 9.0-12 1.2 0.6766 6W Switching power adapter with CB,UL,CE,FCC,PSE certifications