Simplex 2901-9517 Category : Simplex This is essentially the AC-powered version of the Simplex 2901-9833. Brand SimplexModel 2901-9517Manufacturer Federal SignalType Alarm (Horn)
Space Age A32-BL-SFXC-TJ24B-0000 Category : Space Age ElectronicsThis alarm came with a Wheelock EH-EL1 mounted onto it.
