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The Nitecore SmartRing Tactical SRT5 Defender Multi-Color LED Flashlight (Black) is a powerful and compact light 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 750 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. The light can run on 1 x 18650 or 2 x CR123 li-ion rechargeable batteries or 2 x CR123 lithium disposable batteries. This versatile light has reverse-polarity protection that prevents damage to the light's circuitry if the batteries are put in incorrectly.