Here is the English translation:
Kinetic push button for wireless doorbells.
For use exclusively with item numbers: AS613, AS614, AS616
1 push button can control up to 8 doorbells.
1 doorbell can be managed by a maximum of 4 push buttons.
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Mounting: The push button can be attached to the door frame using the included double-sided tape or screws.
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Pairing: Instant single-click synchronization. Connect the push button to the doorbell in seconds.
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No Wiring: Works out of the box, with no electrical installation required.