National Time SG-C3NSZ This is the equivalent of a remote strobe Gentex Commander 3. Brand National TimeModel SG-C3NSZManufacturer GentexType Alarm (Strobe)
Simplex 2098-9806 Category : SimplexThis device is a permanent fixture in my Simplex 4004 wall system.
EST 882-2B Category : EST/EdwardsThis unit has an electronic horn rather than an electromechanical mechanism.