The ProTac Rail Mount HL-X laser is a 1000 lm long gun light with an integrated red laser. It features multi-fuel innovation that allows it to accept Streamlight's 18650 USB battery or CR123A lithium batteries, ensuring you'll always have a beam when you need it. Features: Features ten-tap programming - 1) high/strobe/low 2) high only 3) low/high ProTac Rail Mount HL-X laser USB with 18650 USB battery 10-tap programmable multi-function tailcap and remote pressure switches Rail clamp attaches to MIL-STD-1913 rails Rail grabber is separate from light so you can rotate it within the clamp and maintain windage and elevation settings Durable, anodized aluminum construction with impact-resistant tempered glass lens Includes (1) 18650 USB battery, remote pressure switch, push-button tail switch, remote retaining clips, double-sided tape and zip ties High temperature, shock mounted, AR coated, impact resistant borofloat glass RoHS compliant Limited lifetime warranty