Centium, LED Driver, Intended LED Usage LED Tubes, Number of Bulbs Supported 2, 120 to 277V AC Input Voltage, 350V DC Output Voltage, 0.31 to 0.13AAC Input Current, 0.20AAC Output Current, 37 W Input Power, 32W Power Output, 9 7/16 in Length, 1 11/16 in Width, 1 1/2 in Height, Case Form Factor Long, Standard Profile, Class P