GU10 light bulbs have a long lifespan and are a great replacement for your halogen spotlights. Choose LED bulbs to provide high lumen output with low energy consumption, cutting your power costs. Unsure about tones? Cool white light suits task areas, while warm white bulbs give a cosy glow in a living room. Dimmable bulbs can be adjusted, dialling down brightness to create ambient lighting for evening. Read our lighting buying guide for more tips on illuminating your home.