The Crompton 10451 round Harlequin 4w LED Filament Lamp in ES is designed to replace the traditional 25w filament harlequin lamp. Internally coated for a vibrant, fade-resistant colour, they are ideal for decorative light strings, Christmas lights, or entertainment and hospitality areas. The bulbs have an average rated life of 15,000 hours and have an IP65 rating making them suitable for use outdoors when used in conjunction with a suitable IP65 rated fitting. The E27 screw cap will retrofit to existing light fittings, making it easy to replace your old bulbs. Non dimmable.