Simplex 4903-9417 This is a SmartSync TrueAlert which I am able to use with my Simplex 4010. Brand SimplexModel 4903-9417Manufacturer SimplexType Alarm (Horn/Strobe)
Simplex 4904-9053 Category : SimplexI accidentally bought this particular unit not realizing I already had one. Oh well, happens.
Notifier N-ANN-80 Category : NotifierThis device is part of a permanent mini system installed in my house.
Notifier BNG-1R Category : NotifierThis is the oldest Notifier pull that I own which opens with the modern Notifier key.