Nitecore's Smart Ring technology allows infinite output adjustability ranging from as low as 0.1 lumen up to 260 lumens by simply rotating the smart ring control!
The IFD2 adopts a new generation of SmartRing design, a rotary selector with infinitely variable brightness function (similar to a Surefire Titan) and it also includes a tactical strobe mode. The light head is compatible with Surefire E1 series, equipped with CREE XP-G R5 LED.
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