Globe Electric's 40W Equivalent Warm White G9 Dimmable LED Light Bulb is the ideal bulb for all your lighting needs. With a warm white color of 2700 kelvin, you have a traditional warm and cozy ambiance anywhere you need. The 4W LED light bulb replaces traditional incandescent light bulbs, using approximately 90% less energy and saving you an average of $59.40 in energy costs (based on an 11c per kWh, 3 h per day usage). With an extended lifetime of 15,000 hours, it reduces the hassle of frequent bulb replacements and saves you money in the long run. This LED bulb is completely dimmable and ideal for general home and office use in lamps, ceiling fixtures, vanities, and wall sconces. LED's turn on instantly, are very durable, are not prone to failure and emit very little heat. Reducing waste and saving you energy, time and money, these are the perfect bulbs to help you go green and stay that way!