This Wilko Energy Saving Candle Bulb offers a traditionally shaped, eco friendly lighting solution. Provides up to an 80percent saving on energy and lasts up to six years (approximately 6,000 hours). Decorative and well suited to light features where the bulb is visible. 7 Watt equivalent to a 35W standard bulb. 300 Lumen, 230 Volts. Small Edison Screw Fitting. Non Dimmable. Always read instructions.