The ProTac Rail Mount HL-X is a 1,000 lumen weapon-mounted light featuring a dedicated fixed-mount for Picatinny rails. It uses either a remote switch with momentary/constant on operation or a standard push-button tail switch, and runs on either two CR123A lithium batteries or one Streamlight rechargeable 18650 battery.

• TEN-TAP® Programming: Choice of three operating modes: 1.) high/strobe; 2.) high only; 3.) low/high
• High for maximum illumination: 1,000 lumens; 27,600 candela; 332m beam; runs 1.25 hours (CR123A batteries); runs 1.5 hours (18650 battery)
• Low for extended run time: 60 lumens; 1,600 candela; 80m beam; runs 20 hours (CR123A batteries); runs 22 hours (18650 battery)
• Strobe for signaling or disorienting: runs 2.5 hours (CR123A batteries); runs 3.25 hours (18650 battery)
• One handed snap-on & tighten interface keeps hands away from muzzle when attaching/detaching
• Durable, anodized aluminum construction with impact-resistant tempered glass lens
• IPX7 waterproof to 1 meter for 30 minutes (with standard button switch)
• IPX4 water-resistant (with remote pressure switch)
• Operating temperature: -40º F to +120º F
• Limited lifetime warranty