3W CREE Q3 Tactical Flashlight With Adjustable Beam Requires 2 AA Batteries 6 Inch Overall Uses Super-Bright Cree Q3 LED - Up to 100,00 Hour Lamp Life Zoomable from Spot to Flood Heavy-Duty Machined Metal Construction - yet weighs less than 6 oz. with batteries Water Resistant Three-way Tactical Switch provides full Bright, Energy Saving Medium Bright, and Strobe Functions