Royal Designs LB-1003-1 Short 3-Way 30/70/100-Watt A19 130V Incandescent Light Bulb, Single Bulb Soft White E26 Medium Brass base Short 3 way light bulb - 30/70/100W Rated life: 2500 hours Lumen (light output): 900 Packaging is highest quality and may vary slightly from photo.