CBConcept 4-Pack, 4 Watt, 360 Lumen,A19 E26/E27 Victorian Style LED Vintage Antique Filament Bulb,Dimmable,Exclusive Candlelight Warm Glow 1800K,40W Equivalent,Filament Replacement Incandescent Bulbs Minimizes energy consumption and replacement costs by up to 90% throughout the year. Save energy using only4watts compared to 40-watt incandescent equal Environmentally friendly, does not contain mercury or lead Illuminates at a 1800K, Candlelight warm glow color temperature Dimmable down to 30% with theappropriate dimmer switch Clear A19 glassbulbwithmedium(E26/E27) base, 120 Volt