Save money in energy costs with this OptoLight Compact Fluorescent Light Bulb featuring a soft white reflector bulb with warm light appearance. Bulb replaces standard bulbs in lamps. Bulb brightness: 1250 lumens. Energy used: 23 watts. Life: 7 years (based on 3 hours/day). Comes packaged in an individual box. Box measures approximately 5" x 5" x 6.75".