This lighthouse high performance torch features a super bright cree led focus control full beam half beam and strobe functions this top of the range torch features the very latest technology by incorporating cree leds providing a super bright beam from a single source cree leds are unsurpassed in both output and efficiency with a life span of over 100000 hours and will provide a bright beam of light of between 65 135 hours from one set of batteries depending on function manufactured from t6061 a