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-102 is a powerful rail-attached tactical light for M1913 Picatinny, KeymodA(R) and M-LOKA(R) rail-equipped long guns and provides 500 Lumens of white light. Instant Activation(TM): Tap-On / Tap-Off Remote on / off pad with cord, hook & loop mounting straps and doublestick tape 500 Lumen LED white light High output CreeA(R) XPL LED Material: Anodized Aluminum Waterproof up to 1 meter Impact resistance up to 1 meter M1913 Picatinny and KeymodA(R)/M-LOKA(R) attachments included Battery life: 1 hr 10 min Length: 4" Weight: 3.9 oz with battery installed May be used as a handheld flashlight Fits most rifles and shotguns with M1913 Picatinny, KeymodA(R) or M-LOKA(R) accessory rails.