One of the remarkable advantages of the led light bulbs is their high efficiency. They have a large light output per power input. This means that with lesser power consumption, LED light bulbs can illuminate your room or even your house brightly as compared with the standard incandescent light bulbs commonly used today. This surely means saving money on your electric bills and on a larger scale, saving a lot of fossil fuels burned each time you use electricity. Common incandescent light bulbs, especially the cheaper ones, are from 60-100 watts. The LED light bulbs are just around 5 watts.