Strobe. Modes: High (1000 lumens, 1.5h runtime); Low (60 lumens, 23h runtime). Integrated red laser sight. Rail clamp attaches-STD-1913 rails. Clamp rotates to maintain windage and elevation settings. TEN-TAP programmable to allow selection of three different operating programs. Includes rail grabber, remote pressure switch, push-button tailcap switch, remote retaining clips, double-sided tap, and zip ties. Micro USB port and cord. Requires (2) CR123A batteries (not included), or (1) 18650 battery (included). Aluminum construction. Color: Black. Boxed with hanging tab.