... " 3.anodized alu. reflector 4.Holder: E27 recessed downlight fixture(not include bulb)Horizontal downlight FixtureOptional size: 4", 5", 6", 8"Rim ... 3. Springs, clips and other tightening fittings make the downlight easily installed, and convenient to do daily maintenance for the ... , hotels, office buildings, schools, hospital and houses Suitable for indoor use ST-Q230N round recessed downlight fixture