Miniature Incandescent Bulb, Trade Number 1133, Bulb Shape RP11, Bulb Base Type Single Contact Bayonet (BA15s), 6. 2 Voltage, Instrument, 24 Watts, 3910mA Bulb Amps, Average Bulb Life 200 hr. , 402 Lumens, Max. Overall Bulb Length 2-1/4 In. , Light Bulb Dia. 1-7/16 In. , Bulb Housing Glass, Indoor Only, Standards Meets 2012 Lighting Legislation Energy, Package Quantity 10