Simplex 4903-9102 A “backup” of my other Simplex 4903-9102 light plate. Brand SimplexModel 4903-9102Manufacturer UnknownType Alarm (Light Plate)
Space Age A32-BL-SFXC-TJ24B-0000 Category : Space Age ElectronicsThis alarm came with a Wheelock EH-EL1 mounted onto it.