This 4-pin quad lamp may be used in fixtures that have a G24q-2 socket for an 18w 4-pin quad compact fluorescent lamp. * Base: G24q-2 * Rated Lifetime: 10,000 hours * Light Outout: 1,200 lumens * Color Temperature: 3,000 degrees Kelvin * Length: 6.63" * Width: 1.35" * Origin: India