MEDIOPT care. Monitor call button insert for ELSO SCALA/FASHION/RIVA/NOVIA, function selectable: connection of potential-free contact/medical devices, call display until contact drops out or call display until shutdown is carried out at the shutdown button, address-coded max. 6 buttons/room possible, integrated reassurance lamp, must be completed with a button surface with a symbol printed on it, connection to room bus, power supply: 24 VDC, current consumption: max. 20 mA, installation: flush-mounted box/surface-mounted frame