Knock hundreds off your energy bills this e14 5w led bulb uses up to 90 less energy than 30 40w halogen equivalents this means that just switching one bulb over will save you up to 120 over the bulbs lifetime tailored lighting you have dimmable options and different colour temperatures to choose from so you can create the perfect lighting scheme wide beam angle with a 160 beam angle this bulb covers more area with light in one go long lasting based on average use the lumilife 5 wa