LED Lenser - i6R Industrial Rechargeable Flashlight, Black Advanced Focus System (AFS): The patented combination of a reflector AND lens to create a light system that provides both a focused beam for long-distance and a homogenous spill-beam for up-close reading Dynamic Switch: Switch between full power, low power and boost within milliseconds with just a half or full click of the tail switch Rapid Focus: Achieve seamless transition from close to far and all points in between Charging Indicator: Indicates the charging status of the light 5 Year Warranty: We take extraordinary measures so your LED LENSER product will give you many years of dependable service. If it doesn't, we will gladly repair or replace it, at our discretion, with one of equal or greater value under our 5-year guarantee