Emergency phone with fall sensor Serenities - Your emergency system for home: Simply wear the included fall sensor like a bracelet on your wrist. In case of an emergency, the sensor automatically reacts and triggers an alarm. However, there may be instances where certain falls are not detected – in this case, you can manually trigger the alarm with the push of a button. Additionally, the phone features voice output and announces the name or phone number of the caller for incoming calls. You can use the phone with up to 4 different bracelets.