OPALRAY C35 4W(40W Incandescent Equivalent) LED Candelabra Bulb, LED Filament Lamp, E12 Base, Warm White 2700K, Dimmable, Frosted Glass, Torpedo Tip, 5-Pack Technical Features-Dimmable: Dimming smoothly from 10%-100%. Lutron LED dimmers are recommended. Integrated Internal Overheat Control, Overload Protection, Short-Circuit Protection, Much Safer. Long Life-25000 hours (used 3 hours per day) -Warranty- 100% return and replacement guaranteed. Environment Friendly-LED light bulbs- Mercury free, no flicker and no UV. Energy Saving-Save up to 90% electricity. Opalray 4W LED Filament light bulb is a perfect choice to replace 40W incandescent bulb. Save on electrical bill. E12 SMALL BASE BULB- E12 Base Candelabra Fixture. 360 Degree Wide Beam Angle and Vintage Appearance.