Oslo dual wall sconce by schwung dimensions: w 15 x d 19 x h 40 cm materials: polished nickel, hand blown glass globes finishes available: black gunmetal, polished nickel, brass other sizes available schwung is a german word, and loosely defined, means energy or momentum of a positive manner. Synonyms: verve, zest, panache, momentum. Mission developing lighting fixtures through simple and timeless materials, sustainably, we are committed to creating quality products that last. Beginning with the design we are constantly refining aesthetic and function. Both in the lamps themselves and throughout the manufacturing process we pursue a holistic approach to efficiency, and the reduction of environmental impact. up to 250v (europe/uk standard).