With a lifespan of 15,000 hours, the bulb will work for over 13 years (based on 3 hours of use per day) Provides 350 lumens of light immediately, with no warm-up time to reach its maximum lighting level With a color temperature of 2,700 kelvin, the bulb provides warm white light, creating a welcoming atmosphere in any room.< /p> Consuming 4 Watts of energy and costing only 0.74 per year to use, this bulb saves up to 90% per year and 91.81 over its lifespan compared to a equivalent incandescent bulb (based on 3 hours of use per day, 0.17/kWh; may vary depending on prices and usage) The excellent color rendering index ( CRI > 80) provides a vibrant, natural color This clear bulb features modern LED technology, along with a traditional filament for a charming, nostalgic look. Non-dimmable bulb, not compatible with a dimmer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store