The Oluce Berlin 721 wall and ceiling lamp has a lamp body made of anodized brass in satin-finished gold. This lamp has a diameter of 40 cm, making it the larger of two lamps in this series. The diffuser is made of sandblasted wired glass. This special glass is produced by continuous casting or rolling. The wall and ceiling light diffuses general room lighting and direct light. Dimming on site is possible. Two LED retrofits with a maximum power of 15 watts each are recommended as light sources.