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The Nitecore SmartRing Tactical SRT3 Defender Multi-Color LED Flashlight (Black) is a powerful and ultra-compact pocket-sized light that is built with military and law-enforcement use in mind. Its primary output comes from a white Cree XM-L2 T6 LED that is infinitely-variable from 0.1 to 550 lumens. A Red-Blue (RB) LED set on the edge of the reflector provide two colored output options for a reduced light signature that preserves night-adjusted vision. Press the 2-stage pushbutton tailcap switch for momentary activation, press and click for constant-on. The output intensity, color outputs, strobe, location beacon, SOS signal and red/blue strobe, are managed using a magnetically-controlled rotating Smart Selector Ring, located at the base of the head.
Built for durability, the light features an aluminum housing with a Type III hard-anodized black finish that resists scratching and corrosion. It is o-ring sealed to be IPX8 rated and submersible to 6.6' and impact resistant to 5 feet. Its crenellated stainless steel bezel is designed to be used for self-defense or as a window-breaker. A textured diamond pattern is machined into the handle to provide a sure grip. Between the included extension tube and the circuitry, the light can run on wide range of disposable and rechargeable batteries from CR123 to AA sizes. This versatile light has reverse-polarity protection that prevents damage to the light's circuitry if the batteries are put in incorrectly.