Ge Current Lighting Solutions LLC H7557 LAMP HALOGEN 12 WATTS LAMP, HALOGEN, LAMP DESIGNATION H7557, PAR36 LAMP SHAPE, 12 WATTS, 12.0 VOLTAGE, EMERGENCY BUILDING LIGHT, HALOGEN, AVERAGE LIFE 50 HR., SCREW TERMINAL BASE, MAX. OVERALL LENGTH 2-3/4 IN., DIA. 4-1/2 IN., ANSI CODE