Description: 100Q/DC(ETD) 120V Single Ended Halogen Lightbulb - This lamp is a 120 volt, 100 watt halogen light bulb. It is tubular in shape with a glass diameter of .5 inches, a dual contact bayonet base, and an overall length of 2.4 inches. It has a Kelvin temperature of 3000 and is rated at 1000 life hours. Light Bulb Cross References (Also known as) 100Q/DC(ETD) 120V