UL,CE,KC,PSE,SAA,C-TICK,TUV GS 19V ... 1.Reliability 2.High efficiency 3.Input:100-240V AC UL,CE,KC,PSE,SAA,C-TICK,TUV GS 19V ... LCD AC DC Adapter 1)input voltage: AC 100-240V ... 50/60HZ2)range voltage: AC 90-264V 47/63HZ Safety Approvals UL/CUL, PSE, GS, BS, CE, CB, ... burning test6. Installed with EMI filter ,minimum wave UL,CE,KC,PSE,SAA,C-TICK,TUV GS 19V LCD ...