MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Received emergency radio signals from grace industries' man-down alarms and activates relay closures; the relays are used to activate sirens, strobes and automatic telephone dialers to alert others of a potential safety issue; receive only, battery backup for use during power outages, with light and siren for local emergency notification
