LED Filament Bulb 4W 6W 7W 8W Glass A60 A19 COB LED Light Amber Clear Edison Bulb E27 B22 E26 Classic Equal 40W Incandescent Lamp LED Bulb. Wide Color Temperature Range: Adjustable from 2700K to 6500K including warm, natural, cool, and daylight options. High Lumen Efficiency: Delivers up to 1055 lumens with 100lm/W efficiency for bright illumination. 360-Degree Light Output: Filament design provides omnidirectional light coverage for various decorations. Flexible Wattage Options: Available in 2W, 4W, 5W, 6W, 7W, 8W, 9W, and 12W to suit different needs. High CRI Performance: Color Rendering Index exceeds 80 for accurate and natural color representation. Long Service Life: Rated for 25,000 hours of operation with reliable COB LED technology. Comprehensive Warranty: Offers 1, 2, 3, or 5 years warranty based on customer request. OEM and Customization: Supports logo printing, custom retail box packing, and flexible design customization.