LED downlight 8''20W / led recessed downlight 20w 8inch dia:270mm high :35mm cut hole:231mm 1. Housing: Aluminium material good heat conduction. 2. Cover for option:white color 3. Working temperature: -10degree~40degree 4. Package Info:Gross Weight: 550g. 5. No glaring 6. This product works as an replacement of traditional down Light. It can be widely used for office, shop center, restaurant, school, hospital, airport, commercial & home lighting etc. 7. Notes: 1) The thickness of ceiling material should be 5-25mm 2) No sundries around, no cover on the Down Light due to heat sinking concern. 8. Warranty: 24 months.