The TCM-5B Subcompact Weapon-Mounted Light for Short Rail handguns produces 650 lumens from a single CR123 battery. Its unique rail clamp is designed specifically for narrow-rail / short-rail subcompact pistols.An engineered TIR lens projects a tight bright spot for threat identification and confirmation that reaches 136 meters. The lens also produces a crisply defined outer halo for additional situational feedback.The TCM-5B features completely ambidextrous and intuitive rear-facing toggle switches on each side of the light to operate the momentary-on and constant-on lighting modes. A user-programmable strobe mode and battery-safe mode are available when needed. Constructed from aircraft-grade 6061-T6 aluminum with a polymer rear housing, the light comes with one CR123 Lithium battery.TCM-5B FITS THE FOLLOWING MODELS: Glock G43X MOS, Glock 48 MOS, Glock 43X RAIL, Glock 48 RAIL, Sig Sauer P365 X-Macro, Heckler & Koch HK45 Compact, Ruger Security 9C and 380C, SCCY CPX1/CPX2, Shadow Systems CR920, Smith & Wesson M&P M2.0 Subcompact, M&P 5.7, M&P 380 Shield EZ, M&P Shield 9 EZ, M&P 30 Super Carry, Equalizer, Beretta PX4 Storm Subcompact, Springfield Armory XD-E & XD-S, KelTec P15, Walther CCP & P22, Springfield Armory Hellcat, Stoeger STR-9MC, Taurus Millennium G2, TX-22 Compact, Walther P22 as well as 1913 Short Railed Subcompact handguns.