The KM2 bezel assembly provides both white light and infrared illumination from two 123A batteries when used on an M600 Scout Light®. Select the appropriate spectrum for the mission by simply rotating the bezel. This small” rugged Weapon Light features SureFire’s proprietary TIR lens” a far-reaching” high-intensity beam with ample surround light. Upgrade your Scout Light® to 350 lumens and 120 mW of infrared illumination with the KM2.