Simplex 4051 Category : Simplex The DC-powered version of the Simplex 4050, which runs on AC power. Brand SimplexModel 4051Manufacturer Federal SignalType Alarm (Horn)
System Sensor SP1W2475ADA Category : System SensorThe strobe portion can detach from the speaker body.
Simplex 2098-9806 Category : SimplexThis device is a permanent fixture in my Simplex 4004 wall system.
Space Age A32-BL-SFXC-TJ24B-0000 Category : Space Age ElectronicsThis alarm came with a Wheelock EH-EL1 mounted onto it.
