This 13.5W Kosnic LED GLS lamp provides an equivalent light output to a 100W Incandescent lamp while also producing a bright 6500K daylight colour. It is non-dimmable and comes with a standard sized Edison screw which is a common fitting type in the UK. Over the course of the lamps average expected lifespan of 25000 hours it will generate savings on your energy bill vs a traditional lamp making it an ideal upgrade.