Energizer 4.2w LED GU10 50° 4000k - 4 Pack - S15161. This pack of GU10\'s are the perfect replacement for a standard 50w Halogen GU10. The 4000k Colour temperature means that this lamp produces a crisp ice white colour perfect for kitchens, bathrooms & more. It has a 50° beam angle which ensures the light is spread widely across the area of direction. This lamp, being LED, results in 92% savings in energy when compared to the equivalent halogen GU10. This lamp is non-dimmable. 1 pack contains 4x Energizer GU10 bulbs.