IP20 50mm Die-Cast Fixed Round Downlight, White finish. GU5.3 12v 50 Watt max lampholder. MR16 12v 50 Watt lamp (not supplied with fitting - product code L50D, L58D or L59D). Electrical termination via 10 Amp connector block within secure enclosure c/w cord grip and bridge. Dimmable with electronic transformer (not supplied with fitting - see Transformers & Drivers). Twist and lock front ring to secure lamp. Outer diameter 80mm, recessed depth 80mm. Cut-out 70mm. 110mm recommended ceiling void required. Spring clip fixings with a recommended maximum ceiling thickness of 25mm max.