... : 1W SpecificationInput voltage: DC5--30VOuput voltage: 3.3VConstant output current: 315mA Output power: 1WEfficiency: 97%Start Time:<1sFeatuerHigh efficiency, long life span ... ), high stabilityOverheat protection,Output open-circuit protection, Output short-circuit protection CE, RoHS Compliant Application MR16, spot light, PAR light, LED tube 1W LED Driver