Knightsbridge 50W Downlight The Knightsbridge Die Cast Fixed 90 Min Fire Rated Fixed Downlights with Bezel are compatible with Low Voltage MR16 Halogen Lamps. These downlights are sure to bring style to your lighting solution. It features a double-insulated fitting with a twist and lock front ring to secure the bulb. Electrical termination is via a 10A connector block within a secure enclosure which comes with a cord grip. This product comes with spring clip fixings for a recommended maximum ceiling thickness of 30mm and is dimmable. This product is suitable for direct mounting on normally flammable surfaces. Electronic Transformer 12v 50vA minimum required - available here. Technical Specification: Electrical termination via 10 Amp connector block within secure enclosure c/w cord grip. Outer diameter: 87mm Recessed depth: 80mm Dimmable: Yes Ceiling void required: 105mm Maximum ceiling thickness: 30mm Cut-out: 72mm. Compl