The SureFire KE2-T Turbo Scout Light Pro head delivers exceptional performance with 700 lumens and 70 000 blazing candela output from two 123A batteries providing concentrated far-reaching illumination for positive target identification at extended distances.SureFire KE2-T Turbo Scout Light Pro replacement head700 lumens and 70 000 candela high-intensity outputCompatible with non-Dual Fuel M600/M640U Scout Light modelsNOT compatible with Dual Fuel bodiesLightweight aerospace aluminum constructionMil-Spec hard-anodized finish for durabilityUltra-compact rugged bezel designPerfect for upgrading M600/M640U Scout Lights to turbo high-candela performance this genuine SureFire component is built to withstand combat conditions while maintaining lightweight profile on your weapon system.