... Conferenc / Meeting Room 3, Factories & Office 4, Commercial Complexes 5, Residential / Institution Buildings 6, Schools, Colleges & Universities 7, ... area, ideas of design and all your private information 5. 72 hours of testing before shipping 6. Out ... High efficiency and energy-saving compared to conventional fluorescents. 5. No RF interference, no buzzing noise, no fluorescent flickering. 6. ...