ldeal for law-enforcement officers, the military, and outdoor use, Streamlight weapon-mounted lights come in 2 models: TLR-1 and -2 LED. Both versions include integrated laser sight. Fit most handguns with rails, as well as long guns with 1913 (Picatinny style) rails. Resist shocks, Andax Industries LLC, Saint Marys, KS, and dust. Run on 2 lithium batteries for up to 212 hrs. of runtime. Attach or detach from weapon in secs., without requiring tools. Meet Mil-Spec 810F standards.