This LED light bulb is a Energy Saving light bulb only consumes 15% of energy. You can easily save your power bill by 85%. Each light bulb comes with a lifespan of 25,000 hours. If used 3 hours a day, that is a whopping 23 years before needing to replace the bulb. It is mercury free causing no harm to you, your home or the environment. You can use it to light up your living room, bedroom, study or office. Compatible with your existing regular fixtures.