1.Certification: CE, RoHS. FCC. 2.LED factory 3.Energy-saving light 4.Good quality 5.Lifespan: ... plate, heighten the luminous intensity.2. Illuminant- low power SMD LED.3. Installation- flushbonding.4. Certification- CE, RoHS,FCC5. Energy saving ... , meeting room, factory, office, house, institution, school, hospital, etc. Corridor down light