Additional intercom system, suitable for the set. This model features an additional button next to the door opener, which can be used to control a relay in the panel, e.g. for gate drives or other automation systems. Two different ringtones can be set via jumpers. Up to 4 additional intercom systems can be connected in parallel. * Additional button for gate drive or light control
* Up to 4 additional intercom systems can be connected in parallel
* Adjustable ringtones
* New goods