American Lighting B11S14-CL Incandescent S14 11-watt Medium Base Bulbs for LS-M-24 and LS-MS-24 Pavilion Light String Kits, Dark Bronze/Clear, 25-Pack Medium Base S14 bulbs are Dimmable with most standard dimmers For use with American Lighting's LS-M-24 and LS-MS-24 commercial grade Pavilion light string kits Indoor/Outdoor rated - nickel base - 11 watts power output - 130V and 60Hz AC operation 10,000 hour rated life Pack of 25 bulbs per case