... .CE and RoHs approval LED ceiling light 9W Watt9WOperating VoltageAC85-265VOperational Environment-20°C~+60°C MaterialAluminum AlloyLighting sourceHigh power led ... under normal using, especially for office lighting.4. Optimized light extraction system delivery high lumens.5. No RF interference, ... listed in RoHS.8. No flash, AC driving, stable light, protect eyes.9. Good color vision, color temperature ...