... 600mm, 600*1200mm 4. High quality light source. The attenuation of SMD LED light source is less than 3% by ... soft-start, no speckle, no flickering, no humming, no buzzing, no RF interference 11. Even illumination, quiet, soft, comfortable and bright light, ease eye ... . Easy to install, low maintenance cost. Applications of led panel light:1. Hotel, shopping mall, office lighting2. Hospitals lighting3 ...