The Rosario oyster light comes in 2 sizes, a smaller 300mm 18watt model and a larger 400mm 30watt version. The oyster features a built in LED light source that is CCT (colour change) allowing you to select the light colour you prefer.
The diffuser features a star field / pin hole feature that makes the light sparkle as you view it from different angles.
This model has a smoke coloured outer surround, but it is also available in a clear outer surround.