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Family Gard 888D - Manufactuer's Tag.
Inside the Family Gard 888D.
On this FG 888D, there is a Date Code on the Horn.
888D Component Side of the Printed Circuit Board (PCB).
Back View of the Printed Circuit Board for the Family_Gard 888D.
Comparison of Family Gard 888D PCB to First Alert SA90 PCB.