The ultra-flat downlight is suitable for recessed or surface installation. Housing: Plastic (polycarbonate), UV-resistant. Perfect heat management with an aluminum heat sink. Diffuser: Plastic, transparent, with opal reflector foil. Lateral light emission (RZB SIDELITE® technology) for homogeneous light distribution. Multicolor: Colour temperature individually adjustable either 3000K or 4000K via a rear switching element. The factory setting is 4000 K. MultiLumen: 3 steps adjustable luminous flux. The factory setting is the highest luminous flux. MultiCutOut function: With adjustable spring clamps, different ceiling cut-outs can be individually adhered to. Suitable for ceiling cut-outs with Ø from > 120 to 260 mm. Suitable for recessed mounting in ceilings and surface mounting on ceilings and walls. Suitable for through-wiring. Integral driver.