Enhanced Alarm Module Fire Control Expansion Panel for Access Control Board Meet USA Fire Code Requirement

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About This Applicable to our 1/2/4 doors access controllers. Trigger all doors open automatically if fire system go off( so that can meet fire code requirement) 4-way alarm output Can set door open long time : 0-6000 seconds - to trigger alarm Can set the time delay of each output from 0 to 6000 seconds Overview Brand : MENGQI-CONTROL Color : blue Power Source : PowerSource Item dimensions L x W x H : 3.94 x 1.97 x 1.97 inches Connectivity Technology : Wired Show more