With secret tapping function which an alternative melody plays when the doorbell button is pressed three times in quick succession. The inhabitants are hereby informed that family members or friends at the door. The doorbell button has the honeywell Activ Link™ technology, which a larger range, improved battery life and a constant connection is provided, as compared to the case of signal disturbances immune. The LED light shows reliable trust that your doorbell button works. With display for low battery status.This text is machine translated.
