Satco 5 Watt BT15 LED Cool White Medium Base Light Bulb is designed to provide reliable and energy-efficient lighting for your home or office. With a medium base, this bulb fits a variety of lighting fixtures, making it versatile and convenient. The white glass design helps diffuse the light evenly, creating a pleasant and inviting atmosphere. Emitting a cool white light at 4000K, it a comfortable environment i for reading, working, or relaxing. This LED bulb delivers a bright output of 450 lumens while ensuring durability with a long lifespan of up to 15,000 hours. Its energy efficiency and consistent brightness make it a great choice for everyday lighting needs. Model Number: S21333