... LED power supply 50W 100W150W 200W Universal AC input / full rangeApprovals: ETS/EMC/ CE/UL/LVD100% full load burn-in testProtections: overload/over voltage ... years warrantyDimension 199 x 98 x 40(mm)AC input voltage range ................... 85~132/170~2264VAC selected by switchInput frequency ... -2,3,4,5,6,8,11Cooling method ............................... convection led power supply