Wireless Intercom Emergency Warning System

Name: Wireless Intercom Emergency Warning System
Uploaded: 2011-01-25T03:15:41+00:00
Duration: 1 min 50 s
Channel: israel xian
Description: http://www.intercomsonline.com When an emergency occurs on a university or business campus, getting the word out quickly could save lives. A PA system is often the missing a critical element of an emergency warning system.

israel xian

http://www.intercomsonline.com When an emergency occurs on a university or business campus, getting the word out quickly could save lives. A PA system is often the missing a critical element of an emergency warning system.

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