The SYLVANIA 20673 CF26DD/E/835/ECO Light Bulb is a compact fluorescent bulb with a warm white light color and bright white/color white color temperature of 3500K - 4100K. It is suitable for both indoor and outdoor use and is made of glass with a 4 pin connector. With a bulb wattage of 26W and an expected lifespan of 10,000-14,999 hours, this energy-saving bulb is dimmable and offers a luminous output of 1000-1999 lm. Ideal for a variety of lighting applications, this SYLVANIA light bulb is a reliable and efficient choice for your home or garden.