... %Safety & EMC standards that the lamp is tested & adheres to: UL/FCC Fan life expectancy & audible noise level: 50,000hrs, 3 ... Areas, Port Facilities and Shipyards, Storage Facilities and Container Parks, Power Plant Sites, Factories, Low Bay Lights, Shopping Mall, Garages, Gas ... ,pls feel free to contact me.Welcome to sample order!! UL led highbay lamp