Abstract: A lighting device for a room environment, in a form of a table, ceiling or swag unitary fixture, provides primary illumination for general living and working activities within the space of a room, subject to the on-off control of persons therein; flashing illumination occurring at repetition rates designated for alerting persons, including individuals having impaired hearing abilities, to specific fire, burglar or other alarm conditions, responsive to local or supervised control sensors; and supplemental signaling illumination for communicating instructional information.