The Streamlight ProTac 2.0 Rail Mount 2000 Lumen Tactical Flashlight from Streamlight delivers an impressive 2000 lumens of brightness with exceptional run time for any long gun setup, featuring the SL-B50 battery pack and USB-C rechargeable convenience that lets you charge inside or outside the weapon without removal. Its TEN-TAP programming provides three modeshigh/strobe, high only, or low/highso you can tailor output to your tactical needs, while a beam distance of 266 meters and a maximum candela of 17,700 ensure clear visibility in critical moments. Built from durable 6000 series machined aircraft aluminum with a Type II MIL-Spec anodized finish, the ProTac 2.0 is IP67 rated for dust-tight and water resistance up to 2 meters and has endured impact testing from 2 meters. Designed for direct MIL-STD-1913 (Picatinny) rail mounting, it is available as a light-only option or paired with a remote pressure switch for enhanced control. Weighing 9.06 ounces and measuring 6.30 inches, this compact weapon light excels in tactical applications, home defense, and outdoor adventures, backed by a limited lifetime warranty for reliable high candela illumination when it matters most.