This article concerns a Lucide-brand Filament bulb. The bulb is high quality and has a long service life. The Filament bulb has an E27 fitting. The light bulb has a wattage of 5 watts and a colour temperature of 2700 kelvin. The bulb produces a light output of 550 lumens and has an energy label A++. The service life is up to 30,000 usage hours.