Small size fits nicely into most recessed downlights. Replaceable 9 watt quad lamp for lower life cycle costs than 10,000 hour throw-away designs. •Repaceable 9 watt quad lamp •Medium based screw-in. •Light output equivalent to a 50 watt incandescent floodlight. •Ten year warranty •11 watts total includes 2 watts for the ballast. •Perfect to replace floodlights in recessed downlights.