Streamlight HL-X; the ultimate weapon-mounted light for superior visibility and accuracy in tactical situations - The ProTac Rail Mount HL-X is a high-powered weapon-mounted light that produces 1,000 lumens of brightness. - It has a fixed mount that can be easily attached to Picatinny or M-LOK compatible rails on rifles, carbines, and submachine guns. - There are two ways to operate the light: a remote switch with momentary or constant operation or a standard push-button tail switch. - The light can be powered by two CR123A lithium batteries or one of Streamlights rechargeable SL-B26 USB battery packs for added convenience and versatility. - With shock-proof power LED technology, the light is lightweight and compact, making it easy to handle and operate. - The rail clamp is designed for quick and secure attachment and detachment, adhering to MIL Standard 1913 Rail standards. - The light has a continuous run time of 1 hour and 25 minutes on high intensity, while it can last over 21 hours on low power. - With a low profile, the light offers high-lumen output, providing superior visibility and accuracy in various tactical situations. Whats in the Box? (1) Protac HL-X Gunmounted Light (1) Remote Pressure Switch (1) Tailcap Switch (2) Remote Retaining Clip (1) M-LOK Mount (1) Double Sided Tape Zip Ties Mounting Hardware *Either (2) CR123A Lithium Batteries OR SL-B26 USB Battery & USB Cord *This depends on which battery option you choose at checkout. HLX Streamlight Review Streamlight ProTac Rail Mount HL-X Specifications High Lumens - 1,000 Run Time on High - 1.25 hours with (CR123A) or 1.75 hours with (SL-B26®) Run Time on Low - 21 hours with (CR123A) or 24 hours with (SL-B26®) Beam Distance - 447 meters Max Candela - 50,000 Battery Type - Streamlight SL-B26 Protected Li-Ion USB Rechargeable Battery Pack, CR123A Lithium Battery Quantity - 1 (SL-B26®) or 2 (CR123A) Length - 5.43 inches (13.79 centimeters) Weight - 6.40 ounces (181.44 grams) - 6.90 ounces (195.61 grams) Colors - Black Streamlight ProTac HLX Features C4®LED technology for extreme brightness. Momentary/steady On-Off switch. One-handed on/off & tighten interface keeps hands away from muzzle when attaching/detaching. Securely fits a broad range of weapons. Mounts directly to guns with MIL-STD-1913 (Picatinny) rails. Extensively live-fire tested, impact-resistant construction. Operating temperature: -40°F to +120°F. IPX7 rated with the Standard button switch installed; waterproof to 1 meter for 30 minutes. IPX4 rated with the Remote Pressure Switch installed for water-resistant operation. Streamlight Protac HL-X Rail Mount FAQs How long can the ProTac HLX light operate at high intensity? The light has a continuous run time of 1 hour and 20 minutes on high intensity.