LED downlight: 1. Housing: Aluminium material with good heat conduction.white color,silver color and gold color are available. 2. Working Temperature: -10°C +40°C 3. Low heat,no UV or IR light radiation. 4. Weight:180g 5. This product works as a replacement of traditional Down Light. It can be widely used for hotel, restaurant ,commercial & home lighting etc. 6.Notes: 1) The thickness of ceiling material should be 5-20mm . 2) No sundries around, no cover on the Down Light due to heat sinking concern.