... than 50, 000 hours under narmal use, especially for office lighting.4. Optimized light extraction system delivery high lumens ... , showcase;4. Commercial complexes;5. Factory, plant, warehouse, office;6. Supermarket, department store.Installation: The same size tube can ... take down electronic ballast.Company Profile:Shenzhen HHX electronic opto Co., Ltd. is a high-tech enterprise, which is integrated R ...