This is a pendant lamp from QUOIZEL which illuminates and elevates other details on the room. It is made for indoor use and as for the energy efficiency class, it's E.
From Debenhams
Emery 1 Light Dome Ceiling Mini Pendant Weathered brass E27 - Yellow - One Size
Fruugo
Elstead Lighting Emery 1 Light Dome Ceiling Mini Pendant Weathered brass, E27