http://www.occhio.de/en/sento/sento-led-verticale-wand/configurator 

mp head
360° rotatable, single- or double-sided light distribution, diverse inserts for a free choice of lighting and color effects (tool-free exchangeable), ø 123 mm

amp body
short wall lamp with about 15 cm total length (including head)

ounting base
»up« mounting option with integrated converter for surface mounting (through-wiring possible) or »flat« with flat box and remote converter, optional mirror assembly kit