GE Lighting 87466 Reveal Energy Smart Bright from The Start CFL 15-watt 660-Lumen R30 Indoor Flood Light Bulb with Medium Base Provides Instant brightness with no delay Reveal bulbs are engineered to make colors and patterns pop and achieve full brightness Directional light output Backed by 4-Year Limited Warranty Produces 660 lumens and save over 44 in energy costs over the rated life of the lamp versus incandescent equivalent