No distance limit: This advanced nursing pager adds new features to traditional pagers by connecting to Wifi, sending wireless signals to your mobile phone, solving the problem of unlimited signal range, allowing you to receive signals anytime, anywhere. Easy to set up: You can edit the name of each button on the app, adjust the duration of the ring time/volume level. Digital Receiver: The receiver adopts digital display, you can clearly know the location of the call signal, suitable for home, hospital, nursing home, service agency, etc. No need to pay anything: Connect to the same WIFI, add the call button to the APP in your phone, the emergency button, and your mobile APP receive a notification. The receiver is responsive and the signal is stable.