Ade Advanced Optics Tactical Compact Rail Mounted Laser Sight with 200 Lumen LED Flashlight&nbsp;and Pressure Switch Pad, Red Equipped with a powerful 220 lumens Cree Q5 LED and an integrated red laser sight LS003RP has 3 separate modes of operation: Flashlight, Flashlight + Laser and Laser Only 3.5 Inch in length and 4 ounces in weight, it mounts securely to any Weaver or Pica tinny rail, pistol accessory rails quad rails Crafted from aircraft grade aluminum, it is both sturdy and lightweight A detachable remote pressure switch and two CR123A batteries are included with purchase