... faulty 10 Wide range voltage input 8. No UV or infra-red radiation, no mercury or lead, ... 11. Even illumination, quiet, soft, comfortable and bright light, ease eye strain effectively. 12. Strict quality control, ... to install, low maintenance cost. Applications of led panel light:1. Hotel, shopping mall, office lighting2. Hospitals lighting3. ... 40W LED Panel lights , led panel lamp, 3 years warranty