‘s Halogen tubular JDD-type bulbs provide a more energy efficient alternative to standard household Incandescent’s by providing the same light output, and lasting longer. Included in the box: 1- 75 watt Halogen JDD-type double envelope clear Perfect for line voltage pendants, chandeliers, portable lamps, and track lighting applications Double glass envelope that eliminates the need for shielding 75 watts, 1,150 lumens, 100 CRI, 2,000 hour average rated life, Medium (E26) Base, voltage 120