Water resistant. Impact resistant. Weapon mountable. Rechargeable. Tailcap switch. 1500 lumens. 1 hour, 30 minute runtime. 304m beam distance. Momentary or constant-on operation. Includes: Standard and offset Picatinny mounts, Remote pressure switch, RPS rail mount, Wire management clamp, Battery charger, USB charger cable, Allen wrench, Alcohol prep pad, Velcro, and instruction manual. Requires (2) Lithium batteries (included). Aluminum construction. Color: Black. Boxed with hanging tab. May not ship Post Office or International.