Main Features:- Lamp bead: adopt CREE - T6 lamp bead. The brightness is 800 lumens. The maximum irradiation distance is 500m. Its lifespan is up to 100,000 hours.- Convex lens: make the light more focused and long-range. The aluminum material protects the lens from wearing.- DC charging hole: can be installed with a 3200mAh lithium battery, as lo...