The Streamlight ProTac Rail Mount VIR USB Pro Long Gun Light Kit is a weapon-mounted tactical light featuring a bright 1,100-lumen visible white beam along with infrared illumination toggled via the head-mounted switch. That makes it incredibly useful for standard and covert missions. To keep you stealthy, it features a cut-off that prevents unintentional visible illumination when operating in IR mode. The ProTac VIR USB Pro Weapon Light Kit also features multi-fuel utility, operating on the included SL-B26 rechargeable battery or two CR123A batteries (not included). The Jack-Cap tail cap switch offers operational redundancy via either a push-button switch or remote pressure switch (also included). TEN-TAP programming allows for programming of the different modes. Includes VIR USB Pro Long Gun Light, remote pressure switch, retaining clips, M-LOK mount, mounting hardware, SL-B26 rechargeable battery, and USB charging cable. Features both a visible white beam along with invisible infrared beam Visible beam has maximum 1,100-lumen output with 400m beam distance Infrared beam has maximum 2,300mW output Runs on the included SL-B26 rechargeable battery or two CR123A batteries (not included) Visible beam has high/medium/low modes Infrared beam has high/low modes Jack-Cap tail cap switch Remote pressure switch TEN-TAP programmable modes