NIGHTSTICK FULL SIZE PISTOL WEAPON LIGHT BLACK 850 LUMENS WITH STROBE The TWM-850XLS Xtreme Lumens uses an 850 lumens LED with a high-efficiency deep parabolic reflector to create a usable beam of light at 245 meters. This light features a unique and ambidextrous dual dependent toggle switch on each side of the light to operate the momentary-on, constant-on, and strobe lighting modes. The housing is constructed from aircraft-grade 6061-T6 aluminum with a glass-filled nylon polymer battery door and toggle switches. Includes rail inserts, Allen wrench and two CR123 batteries.