This low voltage DEC1233C IP65 round chrome crystal shower downlight from Knightsbridge features a stylish crystal body to blend comfortably into any modern home. This product houses a G4 12v 20 Watt lamp supplied with fitting, and is dimmable with aid of an Electronic Transformer (not supplied with fitting). Note: Spring clip fixings with a recommended 120mm recommended ceiling void required Main Features: Low voltage fitting IP65 rated for use in bathrooms Totally protected against dust Protected against low pressure jets of water from all directions Stylish square crystal body Dimmable with transformer Lamp Supplied with fitting Technical specification: Electrical termination: via 15 Amp connector block within secure enclosure c/w cord grip. Outer diameter: 75mm Crystal body: 40mmx50mm Recessed depth: 80mm Cut-out: 55mm Maximum ceiling thickness:15mm To view the manual for this product Click Here To enable dimmable functionality of this product