Silent Knight SD505-APS

Category : FCI

Unlike my other FCI-rebranded System Sensor SpectrAlert Classic, this one does not have an FCI logo on the front.

Category : System Sensor

The horn’s model is PA400B, the strobe’s model is PS24LO.

Category : Fire-Lite

I still have the backbox which was made for the BG-10 attached to this unit.