The unique, Sig Sauer FOXTROT1X mounts to any Picatinny 1913, SIG SAUER proprietary, or Glock rails with no need for adapters or cross-slot modifications. Dual, finger-actuated tact switches support ambidextrous use while functioning in either continuous or momentary mode. The ultra-efficient white LED light is ideal for home defense, law enforcement, or military applications and should fit most holsters designed for handgun lights. 450 lumens and 1.5 hours of runtime Powered by (1) CR123 battery, loaded via a removable bezel Lockout mode to prevent accidental light activation M1913/SIG and GlockA(R) sliding rail interface plates included for maximum location adjustment range on the rail Ambidextrous push-button side switches, with momentary and latching modes Compatible with all compact & full-size SIG SAUER pistols including : P320 Compact, XCOMPACT, XCARRY, XFIVE, Full-size, Carry (not Sub-Compact) M17, M18 P226 & MK-25 (with accessory rail) P229 (with accessory rail) P220 (with accessory rail) SP2022 (with accessory rail) 1911 (with accessory rail) MCX, MPX, 516, 716, M400 with Picatinny rail Does not fit : P365, P365X, or P365XL LIMA GRIP MODULES