The Streamlight ProTac Rail Mount HL-X delivers 1,000 lumens of powerful white LED output for rifles, carbines, and shotguns. With a 332-meter beam and high, low, and strobe modes, it runs on either two CR123A batteries or the optional SL-B26 rechargeable cell. Built from durable 6000-series aluminum with a black anodized finish, this weapon light mounts easily using its integrated Picatinny/M-LOK rail clamp. It is IPX7 waterproof with the standard switch and IPX4 water-resistant when used with the included remote pressure switch. Includes remote pressure switch, push-button tail cap switch, remote retaining clips, double sided tape, zip ties, and a M-LOK mount.