... Germany type dimmable ceiling light with ultra-thin 18mm thick LED panel, patented, provides brilliant, glare-free lighting and hence ... , classrooms, and conference rooms Patented design High intensity SMD LED as light source, saves more than 40% power consumption Powered ... 4,500K (daylight white) 2,700 to 3,500K (warm white)Average lifespan: over 50,000 hours Product dimensions: LED lighting panel 18mm ...