... Universal AC input 110VAC,220VAC LED power supply Single Output Switching Power Supply Single Output S-120 SeriesFeature:High efficiency, high reliability, lost costUniversal AC input ... range selected by switch100% full load burn-in testLED indicator for power onProtections: Short ... 10%-95 %RHVibration10-500Hz,2G 10min./1cycle, period for 60 min, each along X, Y, Z ...