Sunlite filament chandelier bulbs are extremely energy efficient and will greatly reduce your energy costs. These bulbs can last up to 15,000 hours making them virtually maintenance free. These edison bulbs contain no mercury elements and do not release any hazardous gasses. This 120 Volts, 4 watt 40W Replacement, chandelier bulb features a candelabra (E12) base, which produces a comfortable warm 1800 kelvin candle light at 320 lumens and can fit right into your highly retro stylized room, a modern backdrop, as well as any lighting design project. It delivers a warm glow that creates an ambiance that sets a welcoming tone in any setting. These lights have smooth dimming range, it should give you perfect ambiance light just like the original incandescent it replaces.