Nightstick Xtreme Lumens TWM-852XL 850 Lumen Long Gun Weapon Light

The TWM-852XL Xtreme Lumens? Tactical Weapon-Mounted Long Gun Light uses an LED rated 850 lumens for 1.75 hours providing a beam distance of 245 meters. The rear-facing single switch provides both momentary and constant-on lighting operation. Designed to securely attach to a long gun Picatinny rail, the IP-X7 rated waterproof housing is constructed from aircraft-grade 6061-T6 aluminum. The TWM-852XL comes preinstalled with one set (2) cross-rail inserts. An Allen wrench and 2 CR123 lithium-metal batteries and also included for quick installation and operation. (Not compatible with rechargeable batteries.)Specifications:Xtreme Lumens: YesFlashlight Lumens: 850Beam Distance: 245 mCandela: 15,000Drop Rating: 2 mDust/Water Rating: IP-X7 WaterproofFlashlight Runtime: 1.75Switch Function: Momentary or constant-onLength: 3.5 in (89 mm)Width: 1.5 in (38 mm)Depth: 1.5 in (38 mm)Weight: 4.5 oz (128g)Head Diameter: 1.2 in (30 mm)Light Source: LEDCase Material: Aircraft-grade 6061-T6 Aluminum w/Type III Hard Anodized FinishBody Color: BlackQuantity of Batteries: 2Power Source: CR123 Lithium Primary BatteriesPackage Contents: Light w/set (2) pre-installed cross-rail inserts, Allen wrench, 2 CR123 batteriesUS Patent: 9,713,217Warranty: Limited Lifetime