Special Features:

This item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap)

Properties:

An automatic electrical, electromechanical, or electronic device which generates and/or controls the energy which actuates electrical alarms such as bells, horns, sirens, buzzers, lights, and which does not in itself contain the actual alarm. If complete with alarm, the device takes the name of the type of alarm, such as alarm (as modified).