... light source. The attenuation of SMD LED light source is less than 3% by 3,000hrs aging test under temperature 50 degrees ... , no speckle, no flickering, no humming, no buzzing, no RF interference 11. Even illumination, quiet, soft, comfortable and bright light ... transportation 14. Easy to install, low maintenance cost. Applications of led panel light:1. Hotel, shopping mall, office lighting2. Hospitals ...