"UniBulb LED GLS light bulbs feature a B22 bayonet cap, 4.2W wattage and 470 lumen output, offering warm white 2700K illumination for everyday domestic lighting. The classic GLS shape suits standard fittings commonly used throughout UK homes. Non-dimmable and instant on, this pack of 3 provides consistent light output with the efficiency of LED technology. Each bulb has a lifespan of up to 25 years depending on usage. Key features B22 bayonet cap GLS bulb shape LED technology 4.2W 470 lumens 2700K warm white Non-dimmable Pack of 3 Support & warranty Lasts up to 25 years depending on usage. Please note: Colours shown are as accurate as possible, though may vary slightly depending on your screen settings."