UL,CE,KC,PSE,SAA,C-TICK,TUV GS 19V LCD AC DC Adapter Power Supply 1.Reliability 2.High efficiency 3.Input: ... )storage temperature: -20-853)opera ting relative humidity:595%RH4) Withstanding voltage: AC 3,000V (minimum), 5mA (maximum) 5Insulation resistance: DC 500V 100M ... %full-load burning test6. Installed with EMI filter ,minimum wave UL,CE,KC,PSE,SAA,C-TICK,TUV GS 19V LCD AC DC Adapter