The ceiling of emergency and alert, following the regulations, have become widespread in addition to offices and public spaces. Requires a high functional complexity in a strong formal control, for a visible presence but not dominant within the environment. Motus is distinguished by its simple and elegant design, for inclusion in quality spaces with general lighting functions. Motus is applied in very different environments: hotels, offices, schools, banks, showrooms, retail space, theater halls. A small frame contains a luminous surface, while the diffuser is in opal white polycarbonate.