System Sensor M500DM Dual Monitor Module
It provides two independent 2-wire initiating device circuits (IDC), at two separate, consecutive addresses.
It is capable of monitoring normally open contact fire alarm and supervisory devices, or either normally open or normally closed security devices. The module has a single panel controlled red LED.
Brand new in original packaging. Ships same business day from Atlanta, GA when ordered by 3 PM ET. 30-day returns. 1-year warranty.
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