Officer.com: XT DF Programmable Tactical Flashlight
"The XT DF flashlight by Armament Systems and Procedures (ASP) offers an intense, 600 lumens of primary illumination, with a secondary light level that’s user-programmable at 15, 60, or 150 lumens, or strobe. It’s powered by an included 18650 rechargeable battery, and ASP’s Dual Fuel technology allo...