With a service life of 20,000 hours, the bulb can last over 18 years (with daily use of 3 hours). It produces 200 lumens of brightness instantly, without having to wait for the bulb to warm up. It is not dimmable: do not use it with a dimmer. High color rendering index (CRI superior to 80) provides natural, vivid color. With a color temperature of 3000 Kelvin, the bulb provides a warm white light creating a comfortable atmosphere in any room. The ST26 LED bulb features a Small Edison (SES) E14 socket, perfect for the refrigerator or kitchen hood (not suitable for inside the oven).