Miniature Incandescent Bulb, Trade Number 307, Bulb Shape S8, Bulb Base Type Single Contact Bayonet (BA15s), 28 Voltage, Aircraft, 19. 0 Watts, 670mA Bulb Amps, Average Bulb Life 300 hr., 264 Lumens, Light Color Clear, Max. Overall Bulb Length 2 In., Light Bulb Dia. 19/32 In., Bulb Housing Glass, Indoor Only, Standards Meets 2012 Lighting Legislation Energy, Package Quantity 10