... Certification: CE, RoHS. FCC. 2.LED factory 3.Energy-saving light 4.Good quality 5.Lifespan: ... its appearance. U efficient light guide plate, heighten the luminous intensity.2. Illuminant- low power SMD ... Color temp Input voltageBean angleled quantity(3528SMD)Light sourceLuminousLife spanLDM-FY-180Round &squareDia180103000-9500koptionalAC100- ... , institution, school, hospital, etc. Corridor down light