Find the Best KLARUS Tactical Flashlight here. A tactical job requires a quality tactical flashlight. Military, law enforcement, and security personnel all need a flashlight built tough. These lights have to be durable, IPX8 rated waterproof and dustproof, fast and easy on/off, and be incredibly bright. KLARUS tactical flashlights are built to generate maximum output and beam distance while still maintaining a tactical design that is easy to use and store. Flashlights are encased in a sturdy, impact-resistant, and water-resistant steel body.