A dimmable LED replacement T30 light bulb with decorative spiral filament, equivalent to a traditional 50W T30 tubular light bulb. The extra warm white colour temperature, combined with amber coated glass envelope, creates an extra warm white light output which invokes an retro ambiance.Unlike the traditional antique style incandescent light bulbs it replaces, this LED light bulb will last for years, with an average rated life of 20,000 hours. So as well as being one of the most stylish light bulbs available today, it is also one of the most efficient. The ES-E27 Edison screw (27mm) cap is compatible with existing light fittings, making installation as easy changing a light bulb.Energy efficient drivers can be used with LED compatible TRIAC dimmers to provide controllable illumination in vintage styled lighting schemes.Please visit the manufacturer\'s website for up-to-date dimmer switch compatibility lists for this Lyyt LED Tubular light bulb before purchase.To find the answers to some common questions about LED dimming, please read our guide Dimming for Dummies.