Crimson Trace Corporation Tactical Light For Rail Equipped Long Guns, Fits 1913 Picatinny Rail, 900 Lumen LED White Light, Remote On/Off Pad with Cord Hook and Loop Mounting Straps, Solid And Momentary Modes, 1 Hour 10 Min Runtime on CR123A Battery, Anodized Aluminum, Waterproof Up to 1 Meter, Black Finish 01-8770-1 Experience the power that effective illumination can provide. Introducing Crimson Trace Tactical Lights" a best-in-class family of tactical lighting products for rail-adapted long guns" backed by the Crimson Trace reputation you trust. The CWL-200 is a powerful rail-attached tactical light for Picatinny rail-equipped long guns and provides up to 900 Lumens of white light.