The Maglite® flashlight, renowned for its quality, durability, and reliability, is now available with the new MAG-LED Technology. Designed for professional and consumer use, Maglite® LED flashlights build on the experience in craftsmanship, engineering, and advanced technology evident in all Mag® flashlights. The Maglite® flashlight is internationally accepted as the Professional Flashlight®. Built tough enough to last a lifetime, its durability and patented features now combined with the new MAG-LED Technology make the Maglite® LED flashlight a technologically advanced lighting instrument. Available in 2, 3, & 4 Cell D size, the benefits include: A Powerful Projecting Beam that focuses simply by rotating the head. Balanced Optics, combining a highly refined reflector with a quality LED, for a brilliant adjustable beam. Intelligent Energy Source Management (patent pending) balancing high brightness with extended battery life. Interchangeable Light Sourcing - Use either the installed LED module or the Krypton lamp (stored in the tailcap). The Blister Pack includes: Maglite® 3 Watt LED 4 D Cell Flashlight