Description: 150Q/CL/DC/1(ESP) 120V Single Ended Halogen Lightbulb - This lamp is a 120 volt, 150 watt halogen light bulb. It is tubular with a glass diameter of .5 inches, a dual contact bayonet base and an overall length of 2.43 inches. It is rated at 1000 life hours and a Kelvin temperature of 3000. Light Bulb Cross References (Also known as)