Features:
A touch screen wristwatch or simple buttons with control options.
Remote Controller: A portable device with a prominent button (in red) to dial the call.
To improve signal reception in a larger range.
Uses:
Medical: To alert nurses or doctors when needed in hospitals or homes.
School: to call children from schools by parents
Connection Range:
The device usually works with radio frequency (RF) wireless technology and the range reaches 300 meters.
The watch is equipped with a rechargeable battery and the remote is equipped with a replaceable battery.
Ease of use:
A simple interface that allows anyone to easily request help with the push of a button.
Other functions:
Sound or vibration notifications.
Custom icons on the screen to show the status of the connection.