NIGHTSTICK COMPACT PISTOL WEAPON LIGHT BLACK 550 LUMENS WITH STROBE Item No. 1207669 The TCM-550XLS Compact Tactical Weapon-Mounted Light features a bright LED rated at 550 lumens along with a total internal reflection (TIR) lens to create a focused beam of white light rated at 136 meters. Ambidextrous rear-facing toggle switches on each side of the light are activated for momentary-on, constant-on, and strobe lighting modes. This light is constructed from aircraft-grade 6061-T6 aluminum with a polymer rear housing. Includes four handgun-specific rail inserts (pre-configured with Glock), two spare Allen screws, Allen wrench, and one CR123 battery.