Shows 4 calls at the same time

The patient / disabled / elderly can press on the CALL button to call, press the CANCEL button to cancel.  

The patient / disabled / elderly can press on the CALL button to call, press the CANCEL button to cancel.  

works both as wireless doorbell and intercom

works both as wireless doorbell and intercom

The Transmitter is driven by One-Button-Press Kinetic Energy.

The patient / disabled / elderly can press on the CALL button to call, press the CANCEL button to cancel.  

works both as doorbell and interphone

works both as doorbell and interphone