Incandescent Bulb, Bulb Base Type Single Contact Bayonet (BA15s), Bulb Shape S11, Bulb Finish Clear, Lumens 200 lm, Light Technology Incandescent, Trade Number 18S11/1SC, Voltage 10V AC, Watts 18W, Rated Life 2,000 hr, Dimmable No, Light Color White, Overall Length 2 3/8 in, Standards Meets 2012 Lighting Legislation Energy Standards