The Luceco LED A60 energy efficient light bulb is non-dimmable it produces instant light over a 180 degree angle and it's also available in a 3 colours from warm to cool, is Mercury free and has an expected on/off life cycle of 15,000. Built from high quality components the product represents 90% savings in energy cost compared with a traditional bulb. The measurements of the bulb are 120mm end to end and 60mm diameter. It operates at a 100-250V at 50/60 Hz. The product is covered by a 3 year guarantee, just get in touch with us if you have any problems.