WorkHorse, LED Driver, Intended LED Usage LED Fixture Array, 120 to 277V AC Input Voltage, 10 to 57V DC Output Voltage, 0.26AAC Input Current, 250 to 1050mA Output Current, 72 W Input Power, 60W Power Output, 5 in Length, 3 in Width, 1 1/4 in Height, Case Form Factor Compact, Standard Profile, Class 2.