... ,125w,135w,165w,185w,200w Lifespan&Warranty:100000H /5 years Induction highbay lighting (CE,UL,ETL) :Feature and advantages:High Frequency ... ,its mainly feature are as following :long lifespan .High frequency induction lamp had no filament ,there are no elements to limit ... its lighting .average lifespan >60000H.Energy-saving .85 W induction lamp has the same luminous flux as the 500w incandescent ...