Square Cosi LED ceiling light with satin glass, polished edges A modern and elegant effect as well as a very pleasant light emission with decorative ceiling illumination characterise the Cosi LED ceiling light. The body made of chromed metal holds a diffuser made of satinised glass with polished edges. This diffuses the light of the warm white LEDs installed inside evenly into the room; a narrow slit below the ceiling creates a light aura around the luminaire. In addition, the good colour rendering of the luminaire should be mentioned; with a colour rendering index of Ra > 90, the quality of daylight is almost achieved, so that colours appear very natural and undistorted. As a single luminaire or combined with several in large rooms, the Cosi LED ceiling luminaire is an energy-efficient and visually convincing light source. The light output can be regulated by means of a phase control or phase cut-off dimmer (not included) installed in the house installation.