Ade Advanced Optics Tactical Compact Rail Mounted RED Laser Sight with 200 Lumen LED Flashlight LS003R-P Equipped with a powerful 220 lumens Cree Q5 LED and an integrated red laser sight, suitable for a wide range of firearms from pistols to shotguns to tactical rifles. Only 3.5 inches in length and 4 ounces in weight, it mounts securely to any Weaver or Picatinny rail, including pistol accessory rails and tactical rifle quad rails. Class IIIR laser product, &lt;5mW power output. Crafted from aircraft grade aluminum, it is both sturdy and lightweight. A detachable remote pressure switch and two CR123A batteries are included with purchase.