These high quality Osram triple turn lamps are designed for domestic and commercial use, they are ideal for recessed and surface mounted office downlights and bulkhead fixtures amongst a variety of other uses. These lamps are compatible with most existing 4 pin GX24q-1 cap size. Using only 13watts and giving an output of 900 lumens in a warm colour, this is a great energy saving option that could reduce your energy consumption by up to 80% with an impressive 20,000 hour life span.