This device is a straightforward and inexpensive push button to signal an emergency. It uses the smarts of modern day phone systems to alert any number of people on duty of the duress situation.
The MasterWatch Tone Alarm Dialler Model TAD-4995 sets new standards for conventional alarm diallers. This tiny box hosts a rich feature set at an affordable price. Best of all it does not need mains power or batteries to operate or to retain its data.
The MasterWatch Voice Alarm Dialler Model VAD-5007 sets new standards for conventional alarm diallers. This compact box hosts a rich feature set at an affordable price.