For use in spot and general lighting. An ideal problem solver for ceilings with low installation depth. Front glass and heat sink made of aluminum. The fixture is only suitable for installation in the false ceiling. When installing, ensure minimal convection and do not cover with insulating material. Installation boxes: in general, the LED downlight can be installed in all common concrete installation housings. Specifically tested types from KAISER include: HaloX® 100 with Tunnel 190 and HaloX® 180 with Tunnel 190. Material: aluminum die-cast/glass. Surface: powder-coated or galvanized. Suitable for installation diameter: 68 mm. Color rendering index Ra: 98. Color distance (MacAdam): 3 SDCM. Lifespan: 50,000 h (L80 B10). Recommended operating temperature: non-dimmable and dimmable via phase-cut.