... ,185w,200w Lifespan&Warranty:100000H /5 years Induction highbay lighting (CE,UL,ETL) :Feature and advantages:High Frequency ... needing warm-up .Starting and restarting instantly ,unlimited on-off can avoid lighting decay like other normal electrode discharge lamp . ... workshop ,hall,square ,highway ,big marketplace and so on project lighting .Especially for factory ,school ,exhibition shop ,station ,port ...