Simplex 4051 The DC-powered version of the Simplex 4050, which runs on AC power. Brand SimplexModel 4051Manufacturer Federal SignalType Alarm (Horn)
Simplex 2098-9806 Category : SimplexThis device is a permanent fixture in my Simplex 4004 wall system.
Fire-Lite Miniscan 112 Category : Fire-LiteAs the model number indicates, this panel puts out 12 VDC.