ThruNite Catapult V5 Lumen Single LED Tactical Flash Light, Neutral White Smooth reflector for a high-quality beam and throw; Max beam distance: 649 meters; Five brightness levels: Low, Medium, High, Turbo, Strobe New metal switches with LED indicators for increased durability, silent operation, beautiful appurtenance and increased user friendliness Specially designed for use with a remote pressure switch; One key to strobe; Momentary-on; Second switch for lock out and unlock Stainless steel strike bezel for defense and emergency applications. Reverse polarity protection design to protect from improper battery installation.