MEDIOPT care. Doctor call button insert for ELSO SCALA/FASHION/RIVA/JOY, function: doctor call button, address-coded max. 6 buttons/room possible, integrated reassurance lamp, must be completed with a button surface with a symbol on it, connection to room bus, power supply: 24 VDC, current consumption: max. 30 mA, installation: flush-mounted box/surface-mounted frame