EcoSmart LED Dimmable 100-Watt Bright White Light Bulb, A19, 1600-Lumen, 3000K, E26 Base (2 pack). Brighten your room with the energy efficient EcoSmart LED light bulb. This EcoSmart A19 bulb estimated Energy Cost is $1.86 per year and can save $139 in a lifetime. The lifespan of each bulb is roughly 15,000-hours (based on 3-hours/day). This EcoSmart A19 bulb is Dimmable as well as Omni-Directional. This EcoSmart 15.5-Watt 3000K (Bright White) LED A19 provides a bright and comfortable light, perfect for your living room, bedroom, kitchen or any place in your home where you would use a standard incandescent light bulb. This light bulb uses up to 84% less energy compared to a standard incandescent light bulb. For use with light dimmers, compatible with most dimmer switches, it is dimmable as well as Omni-directional, indoor lighting applications.