... light source. The attenuation of SMD LED light source is less than 3% by 3,000hrs aging test under temperature 50 degrees ... RF interference 11. Even illumination, quiet, soft, comfortable and bright light, ease eye strain effectively. 12. Strict quality control, lighting ... 14. Easy to install, low maintenance cost. Applications of led panel light:1. Hotel, shopping mall, office lighting2. Hospitals ...