Decorative round LED surface-mounted panel light. Flat, seamless frame made of powder-coated extruded aluminum profile. Powder-coated sheet steel cover. Direct light emission via opal plastic diffuser. Indirect light emission via flush-mounted satin plastic diffuser. Diffuser and light guide made of non-yellowing plastic (PMMA). Lateral light coupling (RZB SIDELITE® technology) for above-average homogeneous luminance distribution and borderless illumination. Direct light emission 70%, indirect 30%. Suitable for ceiling mounting and wall mounting. Tool-free installation using bayonet lock. Integrated operating devices. Extremely simple installation thanks to plug & play system. With Casambi smart+free Bluetooth® control for wireless networking and operation using an Android / iOS device, free app available for download.