IP20 Low Voltage Round Under Cabinet Fitting, White finish. GX5.3 12v 20 Watt max lampholder. G4 12v 10 Watt & 20 Watt capsule lamps supplied with fitting. Replacement lamps LVL1 (10 Watt) or LVL2 (20 Watt). Dimmable with electronic transformer (not supplied with fitting – see Transformers & Drivers). Surface or recessed mounted. Outer diameter 72mm, recessed depth 20mm. Cut-out 60mm. 40mm recommended ceiling void required.