Simplex 4903-9101 This unit was new and has never been used. Brand SimplexModel 4903-9101Manufacturer UnknownType Alarm (Strobe Plate)
ADT ADT-PS Category : ADTPersonally, I think that the ADT logo on the head of this smoke is a bit ugly.
GE/EST SIGA-278 Category : EST/Edwards, GEThe metal components on this pull are a bit rusty. It is co-branded by GE and EST.