8-pack, Sylvania 13 Watt Spiral Fluorescent Light Bulb, 800 lumen output, equivilant to 60 watt light bulb, energy star rated, lasts 10 times longer than a standard bulb,ideal energy saver for general household lighting needs, provides soft white light, color rendering index,soft white-3000K, MOL-4 in. with a 2 in. diameter