1. Input:90-264VAC 2. CE,FCC,ROHS,PSE,UL approved 3. packaging:PE bag ... made completely meet safety requirement(UL,CUL,PSE,GS,CE,FCC,CE,EK,SAA,BS Approved). 2.You can get ... You could get sample from other suppliers that is in comparison with our products .You must find that the quality of ... 20%~90% RHStorage temp humidity............ 20%~95%RH plug in 3V 1.5A AC DC Switching Power Supply with CE UL PSE