Sentry Products

Sentry Products has been in the business of delivering Duress Alarm Systems to correctional facilities, juvenile detention centers, judicial centers, emergency Medical facilities and schools for over twenty years. Our original system was developed by a grant from NASA for school security. The Sentry Products SCS is a very reliable emergency communication system that uses ultrasonic technology. Other commonly used names for this kind of system include Panic Alarm System, Personal Alarm System, Staff Security System, ultrasonic duress system, Man Down System, emergency nurse call.