Using this light/laser combination on subcompact handguns allows for easier identification of potential threats before taking action. Features C4 LED Illuminator and a 640-660nm red laser. 100 lumens. 2,000 candela. 89M beam distance. Runs 1 hour (LED only or LED/laser Combo). 11 hours (laser only). parabolic reflector produces a balance of beam and peripheral illumination. optimized electronics provide regulated intensity. red laser provides long-range targeting. Light/laser module designed for forward and backward compatibility. Ambidextrous Switching (push-button on both sides) to access three modes: laser only, laser/LED Combo, LED illumination only. All modes feature a 10 minute auto shut-off to conserve batteries. Uses two CR1/3N Lithium batteries (included). Removable cover for easy attachment/removal. Contoured housing securely attaches to trigger guard. Durable, impact-resistant polymer construction. IPX4 water-resistant. 1M impact resistance tested. Operating temperatures of -20 to +120 degree Fahrenheit. Serialized for positive identification. For use with Smith & Wesson and M&P standard and compact..