This Quick Start 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 eight years (approximately 8,000 hours). Decorative and well suited to light features where the bulb will be visible. 9 Watts equivalent to a 38W standard bulb. Energy Rating A. 405 Lumen. B22 Cap. Non Dimmable. Always read instructions.