These Energizer LED GLS Bulbs offering an 85% energy saving versus normal bulb. The bulbs are a true retrofit design, provide instant, flicker-free light and have an average rated life of 15,000 hours. This Energizer LED Candle GLS Bulb has the following specification: Fitting: E27 (ES) Input Wattage: 4.9000000000000004 W (40 W equivalent) Lumens of Light: 470 lm Colour Temperature: 6500 K (Daylight) Lamp Dimensions: 112 X 38 X 38 mm Dimmable: Non-Dimmable Rated: F Switching Cycles: 40,000 Average Rated Life: 15,000 hours