• MAG-LED™ Technology with a 3 Watt LED• Powerful Focusing Beam - Simply rotate the head of the flashlight to focus• Balanced Optics™ provide a focusing LED, optimized to produce a powerful beam• Patent pending Intelligent Energy Source Management balances extended battery life with an optimum extended high brightness• The Interchangeable Light Source means you can use the LED module included or the standard replacement lamps• Recessed, pushbutton, self-cleaning, 3-position switch • Rugged, machined aluminum construction with knurled design • Anodized inside and out for improved corrosion resistance • Water and shock resistant • Spare lamp (Krypton) safely secured inside the tailcap