1. Input:90-264VAC 2. CE,FCC,ROHS,PSE,UL approved 3. packaging:PE bag 4. OVP,OCP ... that we made completely meet safety requirement(UL,CUL,PSE,GS,CE,FCC,CE,EK,SAA,BS Approved). 2 ... Features: OutputDC Voltage............3V DC ±5%Rated Current............1.0ARaded Power............3.0WRipplt & noise(Max).......... mVp-p is less than ... %~95%RH wall mount 3V 1A AC DC Switching Power Supply with CE UL PSE