... and fastly install or replace traditional lamp 4Energy Saving led down light Feature: 1Housing:Aluminium material with good heat conduction.2 ... radiation.4. This product works as a replacement of traditional Down Light. It can be widely used for hotel, restaurant , ... 5-25mm .2) No sundries around, no cover on the Down Light due to heat sinking concern.Details infoItem SpecificationProduct nameCold ...