PowerApp LumenTactical 250 Lumen Quick Release Pistol LED flashlight/w Strobe for Smith Wesson, Springfield, Taurus, Ruger, HK, FN, Beretta, Bersa, Sig Sauer, Glock Super Bright: 250 lumens with Advanced Cree XP-G R5, Strobes too Easy to Put On and Take off with Quick Release Mount Compatible with most of Standard & Compact Smith Wesson, Springfield, Taurus, Ruger, HK, FN, Beretta, Bersa, Sig Sauer, Glock Pistols with Accessory Rail (see Description for detail fitting guide) Water resistant & shock resistant One-year Warranty service from US Manufacturer