Clear glass LED filament light bulb. Instant on to full brightness. Vintage accent that livens up parties, homes, bars and restaurants. Uses 4.5 watts/120 volts of electricity with an average life of 20,000 hours / 18.3 years. Traditional glass design. Dimmable, 4" H x 2.3" D. UL/CUL Listed, FCC and RoHS Compliant. 100 percent mercury free.