The Streamlight PolyTac X USB is a 600-lumen tactical flashlight engineered for extreme durability and a secure grip. Constructed from high-impact Coyote Tan nylon polymer, the 5.46-inch body is waterproof and features an O-ring sealed glass lens. This versatile dual-fuel system comes as a complete rechargeable kit, including the SL-B26 protected Li-Ion battery with an integrated micro-USB charge port, while remaining compatible with two CR123A lithium cells. It utilizes TEN-TAP Programming, allowing users to select between three distinct operating modes (High/Strobe/Low, High Only, or Low/Medium/High). Weighing 4.40 oz, it delivers a 205-meter beam and includes a removable pocket clip, making it a rugged and reliable choice for professional use.