120W LED Power Supply ●Single Output ●Class I ●C.C. Mode + C.V. Mode ●Wide Operating Voltage 90 to 305VAC, 47 to 63 Hz ●Constant Current: 0.1~5.71A ●Constant Voltage: 21~50V ●Over Current, Over Tmp (optional) ●Active Power Factor Correction ●3 year warranty