... switch 3.Waterless auto shut-off 4.CB, ROHS, CCC, GS,UL approved. Rated voltage: 100V-127V/220V-240VRated frequency: 50HZ-60HZRated ... Pictures This product have obtained many certification. Such as CCC, CB, GS, CE/EMC/LVD, PAHS, ROHS, UL, EK, CUL, PSE/JET ...