The Klarus XT21X is a ridiculously bright, compact tactical flashlight designed for serious users. Boasting a blistering 4000 lumens output and dual tail switch for instant strobe and mode access, it's perfect for law enforcement, security, and demanding outdoor use. Its rechargeable battery, intelligent thermal protection, and robust construction ensure reliable performance in any situation. Experience unparalleled power and tactical control with the XT21X.