ROBERTSON 3P30095 LD016C050LRAP LED Driver, 16 Watt, 120Vac, 500mA, Constant Current, 27-33Vdc Output, High Power Factor, Forward Phase Dimming 100% to 10% Auto reset after lamp replacement Open Circuit Protection, Short Circuit Protection Safety Voltage 108-132Vac, 50-60Hz UL Recognized Component, UL8750 Class 2 Power Unit, FCC Part 15 Class B, NO PCB's, RoHS Compliant Go to RobertsonDirect.com for complete technical data.