WorkHorse, PROGRAMMABLE LED DRIVER, Number of Bulbs Supported 6, 100 to 277V AC Input Voltage, 28 to 56V DC Output Voltage, 350 to 2,670 mA Output Current, 120 W Input Power, 5 11/16 in Length, 2 5/8 in Width, 1 7/16 in Height, Case Form Factor Linear, Class 2