Intended as a direct replacement for old-fashioned halogen bulbs, this thermal plastic LED GU10 from Crompton Lamps will retrofit to your existing installations but consume a minimal amount of power when compared to the bulbs that currently occupy them.Consuming just 5W but producing a quality of light comparable to 50W halogen bulbs, this LED version boasts far superior longevity. Despite the modern technology that sits under the bonnet, the bulb retains the cosmetics of its halogen counterparts with a thermal plastic body that offers a head dissipating capabilities, perfect for fire rated downlights.GU10 thermal plastic15,000 hour life30,000 switching cycles4000K cool white390 lumens50W incandescent equivalent Dimensions: Diameter = 50mm, Height = 53mm