This 5W spotlight bulb has a GU10 fitting on the base, it comes in a warm white colour and is available to work with mains 230V. LED Spotlights are ideal replacements for halogen and filament bulb lighting with their lower power and longer life can make you significant savings upto 85% in many cases. Advantages of LED spotlights: Performance Energy Saving Lifetime Flexibility Environmental Friendliness - lead and mercury free Instant start Radiation Friendly Equiviliant to 50w halogen Comes with a 3 year warranty