
China Factory OEM 4W C35 LED Filament Bulb E27 E14. Energy Efficient 4W Design: Equivalent to 40W incandescent, saving over 90% on electricity bills with high efficiency. Smooth Dimmable Function: Compatible with most dimmers, adjusting brightness from 80-450 lumens without flicker. Wide Color Temperature Range: Available in 2200K-6500K, offering warm white to daylight options for various moods. OEM and ODM Service: Professional R&D engineers available to design and produce custom LED bulbs per client needs. Long Working Lifetime: Rated for 20,000 to 30,000 hours of use, ensuring durability and low maintenance. Versatile Vintage Design: High transmittance glass body suitable for home, office, cafes, and art galleries. 2-Year Warranty Coverage: Comprehensive warranty covering defects with free replacement bulbs or refund service.