Color: Warm White 2700k About This Bulb: PLEASE MAKE SURE YOU ARE BUYING THE RIGHT BASE AND RIGHT LENGTH FOR YOUR FIXTURE This is E17 Base, not E26 or E12. TECHNICAL FEATURES S11 LED light bulb,AC110V-130V, 4W=40w candelabra bulb, there is almost no heat compare to halogen Bulb. The S11 LED filament bulbs feature high transmittance crystal clear glass, housing a nostalgic LED filament emitting 360 Lumens. Multipurpose The S11 Shape Bulb Vintage design, with a clear Glass cover. Widely use for appliance bulb, cabinet display lights, chandeliers, light strings, indicator lamps, speciality lamps, sign bulbs, night lights, microwave light bulb, stove light bulb, Exit Sign, Desk lamp light bulb, ceiling fan light bulb, chandelier light bulbs, range hood light bulb, refrigerator bulb, wall lamp light bulb, floor lamp light bulb, sewing machine light bulb, range hood light bulb etc Safe to Use & Energy Saving With Overload Protection, Short Circuit Protection and Over Temperature Protection. Green and eco-friendly without mercury. Replace 40W Incandescent bulb by 4W Filament LED bulb, Save over 90% on Electricity Bill of Lighting. They emulate incandescents but only use a fraction of the power and produce virtually no heat.