Burglar (or intrusion), fire, and safety alarms are electronic alarms designed to alert the user to a specific danger. Sensors are connected to a control unit via low-voltage wiring or a narrowband rf signal which is used to interact with a response device.
Offering audio conference systems, audio teleconference systems, pabx systems, voip phone system, public address system, amplification system, electronic amplification system and voice loggers.
More details:View company website
Its Free
Verify Now
, fire, and safety alarms are electronic alarms designed to alert the user to a specific danger.){kind=link}