Bulbrite 100A/220 100-Watt High Voltage Incandescent Standard A19, Medium Base, Frost, 24 Bulbs Included in the box: 1- 100 watt Incandescent A19 frost 220 volt 2-pack, Case of 12 Perfect for commercial, industrial, and landscape lighting applications Manufactured with heavy-duty filaments 100 watts, 1,270 lumens, 100 CRI, 1,000 hour average rated life, Medium (E26) Base Dimensions: Maximum Overall Length is 4.25 inches; Bulb Diameter is 2.38 inches