75 WATTS AR111 GU10 BASE PAR36 HALOGEN FLOOD LIGHT BULB WITH GLASS COVER 120 VOLTS LONG LIFE AR111 GU10 BULB AR111 PAR36 Halogen Light Bulb, Covered Lens, 75 Watts, 120 Volts GU10 Base, Narrow Flood Beam Spread Industrial Grade Quartz Halogen Bulb Lasts Up To 4 Times Longer Than Standard AR111/PAR36 GU10 bulbs 2.8 Face diameter of bulb is 3.5