Dazzling Brightness - Virtually indestructible, recoil-resistant LEDs produce 1200 lumens of blinding white light and consistently produce tactical-grade light over a 4-hour, 200-meter beam range. DURABLE PERFORMANCE - The flashlight is made of aviation grade aluminum alloy with black anodized matte finish, durable and shockproof. It has a waterproof O-ring with an abrasion-resistant coating so the flashlight can be used in rainy weather. EASY TO INSTALL - Offset mounts feature QD cam locks for quick installation or removal of structures in seconds. 2 Types of Switches - Equipped with a normally open push button switch and a momentary pressure switch (2 modes) to meet different tactical needs. Tactical, military users will enjoy the dual switch tail cap, which allows for easy one-handed operation. Press the tail button to switch, easy to control.