Bulbrite 150A/CL/HL 150-watt High Lumen Incandescent A21, Medium Base, Clear Included in the box: 1- 150 watt incandescent A21 clear 130 volt Recommended for large rooms or spaces and standard socket ceiling fixtures or portable lamps This high wattage incandescent bulb emits more light than standard general service bulbs 150 watts, 2,710 lumens, 100 CRI, 750 average hours, medium (E26) base Maximum overall length is 5.33" (Inch); Bulb diameter is 2.63" (Inch)