Simplex 4259-25 Category : Simplex This is a photoelectric smoke detector from the mid to late 1970’s.
ADT ADT-PS Category : ADTPersonally, I think that the ADT logo on the head of this smoke is a bit ugly.
Simplex 477-669 Category : SimplexOddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Simplex devices.
United Security Products FHS-24 Category : United Security ProductsA blatant Wheelock 7002T knockoff if I’ve ever seen one, but to their credit, they did rotate the strobe 90...
