The ProTac Rail Mount HL-X is a 1,000 lumen weapon-mounted light featuring a fixed mount for MIL-STD-1913 (Picatinny) rails or with the included M-LOK mount allowing for alternative mounting options to M-LOK and M-LOK compatible rail systems. It uses either a remote pressure switch or a standard push-button tail cap switch, and can run on multiple battery types. FeaturesTEN-TAP programming allows for selection of three different operating programs:1) high/strobe 2) high only 3) low/highHigh: 1,000 lumens; 447m beam distance; 50,000 candela; runs 1.25 hours (CR123A); runs 1.75 hours (SL-B26)Low: 60 lumens; 111m beam distance; 3,100 candela; runs 21 hours (CR123A); runs 24 hours (SL-B26)Multi-Fuel: Uses one (1) Streamlight SL-B26 protected Li-Ion USB rechargeable battery pack or two (2) CR123A lithium batteriesIncludes remote pressure switch, push-button tail cap switch, remote retaining clips, double-sided tape, zip ties, M-LOK mount, and (2) CR123A batteriesIntegrated rail clamp att...