MEDIOPT care. Doctor call/cancel button for ELSO SCALA/FASHION/RIVA/JOY, function can be selected as: doctor call/presence/cancel button in the room, address-coded max. 6 buttons/room possible, integrated reassurance lamp, integrated reminder lamp, tone generator for acoustic call forwarding when present, must be completed with a button surface with a symbol printed on it, connection to room bus, power supply: 24 VDC, current consumption: max. 35mA, installation: flush-mounted box/surface-mounted frame