Philips 929689411501 is a spiral energy-saving bulb with an E27 fitting and a warm white light effect. It uses 12W of power, which is equivalent to the brightness of a traditional 60W incandescent bulb. The bulb has a lifetime of 8000 hours or 4 years, whichever comes first. It is 80% energy-efficient, meaning that it uses 80% less energy than a traditional incandescent bulb of the same brightness. The bulb is small and high-performance, making it suitable for use in all your lights and lamps.