This intensely bright, virtually indestructible rail-mounted tactical light with red laser attaches to almost any gun in seconds.Features:Powered by (2) 3 V CR123 lithium batteries with 10 years storage lifeWhite LED technology impervious to shock with a 50000 hr lifetimeRail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzleFast, adjustable, secure side mounting to 1913 and Glock style railsIPX4 rated for water resistanceHighly accurate sight repeatability when remountingFits existing light bearing holstersIncludes rail locating keys for Glock-style, Picatinny, Beretta 90two, S&W 99, S&W TSW and Sig P320 railsLithium battery notice under documentationAssembled in USAHigh impact, chemically resistant engineering polymer laser housing