KINGSTAR B11 4W Dimmable LED Filament Candle Light Bulb, 40w Incandescent Bulbs Equivalent, E12 Candelabra Base Lamp, Warm White 2700K, 400LM, UL Listed 1-Pack TECHNICAL FEATURES: Dimmable, LED Filament Candle Bulb, AC 110V-130V, Recommend dimmer: LUTRON MAELV-600-WH; LUTRON DVCL-153P; LUTRON DVELV-300P ENERGY SAVING: 4 watts LED Filment Light Bulb replaces the standard 40-watt incandescent light bulb, Save over 90% on Electricity Bill of Lighting LOW OPERATING COST: $0.72/year (compared to $10/year standard 60-watt incandescent or $3.5 CFL). Average 25000 Hours Lifespan, 20 Years Life (3 Hours per Day), 2 year warranty ECO-FRIENDLY: Clear Glass LED Candle Bulb with High Transmittance, Mercury-free, No flicker and No UV, CE, RoHS and UL certification MULTI-PURPOSE: This E12 base led bulb ideal use for living rooms, dining rooms, bedrooms, bathrooms, kitchens, recreation rooms, sconces, and all E12 based sockets