This Osram 64514 bulb is a 300 watt 120 volt with a base of GX6.35 2-pin. This bulb's shape is a T6 and is most common for Projectors, Stage & Studio. The rated life is 75 hours and the color temperature is 3400k. The dimensions of this bulb are diameter 0.728 inches, and the light center length is 1.053 inches. The overall length is 2.086 inches. This Osram 64514 bulb's light output, also known as lumens is 8100.