... appearance. U efficient light guide plate, heighten the luminous intensity.2. Illuminant- low power SMD LED.3. Installation- flushbonding.4. ... Specification Power Color temp Input voltageBean angleled quantity(3528SMD)Light sourceLuminousLife spanLDM-FY-180Round &squareDia180103000-9500koptionalAC100-240V~DC24V120° ... , factory, office, house, institution, school, hospital, etc. Corridor down light