The SureFire Mini Scout Light Pro offers the same ultra-compact design, 500 Lumen output, and shrouded tailcap as the standard model, but features a brand-new body design with a versatile mounting system. The new light body mount can be switch from either picatinny or M-LOK and allows you to orient your light at any angle to optimize ergonomics when use in conjunction with laser aiming modules or other accessories. The M340C Mini Scout Light Pro Weapon Light uses a single CR123A battery to power the 500 Lumen light head. The Mini Scout Light Head utilizes a proprietary TIR lens that produces a highly focused beam at a high intensity with soft surrounding light. The rear tailcap switch offers momentary or constant on function and can be replaced with other SureFire Scout tailcaps for use with remote switches. The entire weapon mounted light is constructed from aluminum, hardcoat anodized, and O-ring sealed to protect it from the elements. The Mini-Scout Light Pro 500 Lumen Weapon Light brings more versatility to your weapon system without the added cost of a mount.Features: 500 Lumens 1 Hour on CR123A battery Integrated Picatinny/M-LOK mount Virtually indestructible LED and TIR lens Highly focused for medium to long ranges Aluminum construction O-Ring sealed Z68 Shrouded tailcap switchSureFire designs and manufactures a wide variety of firearms accessories, from weapon lights to suppressors but they built their name on weapon laser sighting systems. Since then, SureFire has been recognized as a leading manufacturer of rugged, powerful lights. The SureFire name has become synonymous with excellence in handheld illumination. They believe in providing a product that will give you the edge when dealing with unknown threats in the dark and any of the other possible reasons why a bright, small light could be used.