Silent Alert's Universal Monitor with an External Microphone is ideal for alerting to a variety of events for example - Door Entry phones where it is not possible to make a wired connection.
The trigger delay keys and sensitivity control can be used for optimum setting and prevention of false alarms.
The unit can be powered by either mains power supply or battery and works with the Vibrating Pager unit.
Battery or Mains Adaptor Options
Three trigger delays:- Short, Medium and Long
Automatic battery voltage indication on start up
Automatic low battery signal to Pager or SignWave
Audio monitoring display
Can be triggered by voltage, opening or closing circuits
Can be set to light any symbol on Vibrating Pager or SignWave
Free Silent Alert Technical Helpline
Operating range in open air approximately 1000m