UL,CE,KC,PSE,SAA,C-TICK,TUV GS 19V LCD AC DC Adapter Power Supply 1. ... 100-240V AC UL,CE,KC,PSE,SAA,C-TICK,TUV GS 19V LCD AC DC Adapter 1)input voltage: AC ... 47/63HZ Safety Approvals UL/CUL, PSE, GS, BS, CE, CB, FCC, and EK-Mark Protections1)over voltage protection: 120% ... can reduce the AC input impact efficiency3. With short-circuit and overload protection4. Compact size ,light weight5. 100%full-load ...