Miniature Incandescent Bulb, Trade Number 1665, Bulb Shape S8, Bulb Base Type Single Contact Bayonet (BA15s), 28 Voltage, Aircraft, 22 Watts, 800mA Bulb Amps, Average Bulb Life 1000 hr. , 264 Lumens, Max. Overall Bulb Length 2 In. , Light Bulb Dia. 1 In. , Bulb Housing Glass, Indoor Only, Standards Meets 2012 Lighting Legislation Energy, Package Quantity 10