... 1. Input:90-264VAC 2. CE,FCC,ROHS,PSE,UL approved 3. packaging:PE bag 4. OVP ... that we made completely meet safety requirement(UL,CUL,PSE,GS,CE,FCC,CE,EK,SAA,BS Approved). ... OutputDC Voltage............3V DC ±5%Rated Current............1.0ARaded Power............3.0WRipplt & noise(Max).......... mVp-p is less ... humidity............ 20%~95%RH wall mount 3V 1A AC DC Switching Power Supply with CE UL PSE