The Streamlight ProTac VIR PRO USB is a highoutput tactical light engineered for professional use, delivering exceptional whitelight performance in a rugged, dutyready package. Producing 1,100 lumens and 40,000 candela, it projects a powerful beam reaching 437 yards, making it ideal for longrange identification and lowlight operations. Its robust aluminum construction and extended body profile pair seamlessly with rifles and carbines equipped with an M1913 Picatinny rail.Powered by the SLB2B rechargeable battery pack, the ProTac VIR PRO USB offers 1.5 to 11 hours of runtime depending on the selected mode. The tailcap switch provides intuitive activation, while Streamlight's regulated electronics ensure consistent output throughout the battery cycle. Built for reliability in harsh environments, this light delivers dependable performance for tactical, duty, and field applications.