This pack of 12 GU10 halogen spotlight bulbs is designed to deliver reliable, high-quality lighting with a warm and comfortable glow. Each bulb produces approximately 300 lumens of light, making it an ideal 40 W halogen alternative to traditional 50 W GU10 bulbs, offering excellent brightness with slightly improved efficiency.\n\nOperating at 240 V, these bulbs are fully dimmable and compatible with standard GU10 fittings and most household dimmer switches, allowing you to easily adjust light levels to suit different moods and settings. With a warm white colour temperature of 2800 K, they create a cosy and inviting atmosphere, perfect for living rooms, kitchens, dining areas, and accent or spotlight lighting.\nThe bulbs feature a compact GU10 reflector design, measuring approximately 50 mm in diameter and 57 mm in length, ensuring a direct replacement for standard GU10 halogen lamps. They offer a typical lifespan of around 2,000 hours and are rated for up to 8,000 on/off switching cy.