Streamlight TLR-2 Laser Sight Rail Mounted Tactical Light/Laser are powerful, intensely bright, long-running, aluminum-bodied rail mounted lights. These lights are very durable. The Streamlight TLR-2 Rail Mounted light has all the same great features that the Streamlight TLR-1 with the addition of an integrated laser sight for accurate aiming. The Streamlight TLR-2 LED / Laser Glock Tactical Pistol Lights are shockproof, dustproof, and almost indestructible. The 3-watt Luxeon LED of Streamlight TLR-2 Pistol Mounted Tactical Light / Laser Combo won’t break or burn out. The Light has a Luxeon Super Hi Flux LED providing a minimum of 2.5 hours of continuous run time when in dual mode with the high power visible laser. The Streamlight TLR-2 Tactical light with integrated laser is powered by 3-volt CR123A lithium batteries with 10-year storage life. The secure rail attachment system attaches and detaches quickly with no tools, without putting your hands in front of the muzzle. The Streamlight TLR-2 rail mounted flashlight fits most handguns that are equipped with rails as well as long guns that have 1913 (Picatinny-style) rails. Streamlight TLR-2 Tactical Rail Flashlights/ Lasers give you an important advantage in any low-light situation.