This Crompton branded non-dimmable LED GX53 lamp is the ideal modern equivalent to the old style CFL GX53s. Using just 5 watts of power this lamp produces a 510 lumen output making it an alternative to that of a 14W fluorescent lamp or 40W Incandescent. The crisp 4000K light colour is a great choice for various lighting applications about the home. Product dimensions Diameter 75mm Height 25mm. Warranty 3 Years.