Philips 8718291691310 is a Philips Economy light bulb that has a lifetime of up to 6 years. It can save up to 80% energy and is ideal for general home lighting. It has a traditional look and feel and uses up to 80% less energy than traditional light sources. With a lifetime of up to 6 years, you can avoid the hassle and cost of frequently replacing bulbs while saving energy year in, year out. The bulb has a B22 cap, a wattage of 11 W, a wattage equivalent of 50 W, and an energy efficiency label of A.