This Energizer GU10 is 5w, meaning it is the perfect replacement for a standard 50w Halogen GU10. This LED GU10 has an average life of 15,000 hours and has a beam angle of 36°. The 3000k Colour temperature means that this lamp produces a pleasant and welcoming warm white glow, which the 36° beam angle ensures the light is spread widely across the area of direction. This lamp, being LED, results in 90% savings in energy when compared to the equivalent halogen GU10. This lamp is non-dimmable.