Dimmable LED Light Bulbs,15W (100W Equivalent),LuminWiz 4000K 1600lm UL-Listed Energy Star A21 LED Bulbs,Daylight White,Medium Screw,E26 Base,4-Pack Glass Imported ENERGY STAR: This LuminWiz 15W A21 Light Bulb is highly energy efficient to replace the 100W halogen light, saving your electricity bill. Extremely long lifespan of 25000 hours. EASY INSTALLATION: The LuminWiz Energy Star Light Bulb shapes with medium screw base (E26). It can be installed into all medium screw base fixtures directly without any tool. DIMMABLE LIGHT BULBS: Fully dimmable just like a halogen bulb and it is perfect for general room lighting and lights. It works with most of dimmers but to ensure flicker free dimming, please choose the right dimmer. 4000K DAYLIGHT WHITE: With 4000K daylight white light emitting from the A21 Bulb, it creates a nice glow in your room. Great for both lighting and decoration in your living room or bathroom. QUALITY GUARANTEED: UL Listed, FFC, RoHS certificated, free of Mercury, no UV, no flicker, no CFL warm up time. A quality guaranteed A21 LED Light Bulb.