Edwards EST SIGA-MCT2 Dual Input Plug-in Module, UIO Mount 14/01 The versions with two optical

The versions with two optical sensors (dual‑optical) detect the lightest smoke

Studies have shown that a low frequency alarm signal is the most effective at waking people with mild to moderate hearing loss

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The Simplex 4098-9747 CO Replacement Cartridge is designed for use with 4098-9770 and 4098-9771 CO Bases for TrueAlarm Sensors

Edwards EST SIGA-MCT2 Dual Input Plug-in Module, UIO Mount 14/01 The versions with two opticalThe Edwards SIGA MCT2 Dual Module module stores the results of the self check in its permanent non volatile memory storage. Datasheet (Technical Specifications): Download SIGA MCT2 Datasheet (PDF)