Knightsbridge 4W LED COB GU10 Bulb 4W GU10 COB LED 3000K Neutral White (GU10COB3CW) / Warm White (GU10COB3WW) high Output LED bulb New Generation High Output Reflector combined with COB LED technology creates an ever increasingly economic GU10 replacement for the classic halogen lamp The Warm White produces 410 lumens, the Day Light produces 415 lumens and the Cool White produces 450 lumens. 4w High output giving 250+ lumens. Extremely low heat output ideal as retrofit in most areas of GU10 Rated average hours life (subject to usage) 40,000hrs. 38 Degree beam angle. IP20 Rated. Extremely low heat output. Comes complete with a 2 Year Manufacturer's Warranty. For the full specification click here - Warm White & Cool White Tested in accordance with EN60968 – Self ballasted lamps for general lighting services. CE, EMC and ERP fully certified.