Philips Tornado energy-saving light bulbs provide outstanding brightness and make colours appear more vivid. This is an E27 threaded version, offering 8 watts of light which is equivelent to 40 watts from a standard bulb. Due to its compact design, this low-consumption spiral bulb fits nearly everywhere, saving energy and money for up to 10 years. Features and Benefits Cool daylight colour - for a more natural light reducing eye tensionSaves up to 80% energy - save on your electricity bills and help the environmentLonger life - Phiips energy-saving bulbs are designed to last up to 10 years Specification Cap-Base: E27 ThreadedBulb Shape: SpiralNominal Lifetime (Nom): 8000hSwitching Cycle: 5000 XColor Code: 827 [CCT of 2700K]Color Designation: Warm White (WW)Correlated Color Temperature (Nom): 2700KRated Power: 8wWattage Equivalent: 40WDimmable: No