A flat, square ceiling luminaire for modern interiors. A highly permeable PMMA diffuser that is resistant to yellowing and provides a uniform illumination of its entire surface without any visible LED points. A white- or black-painted steel sheet housing and frame. Due to the luminaire’s opaque sides, there is no ceiling illumination effect. The option with a microwave motion sensor makes it possible to precisely set the following parameters: 5 detection range levels and 7 operation time options after motion detection. Safe use and tool-free access to the inside of the luminaire with 4 neodymium magnets, a steel cable helps to ensure safe ceiling or wall mounting. The high IP54 ingress protection rating makes this product suitable for use in humid rooms. The luminaire is equipped with a light source and separate lighting control equipment that cannot be replaced by the user.