TruSemi UM3561 Three Siren Generator

Alarm - A device which emits a sound at a pre-set time/event

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

magnetic - A susbstance affected at a microscopic level by an applied magnetic field.

Sounds - Audible notes that can be heard using ears

Voltage - A measurement of volts.

Performance - When someone is presenting a form of entertainment, also how well someone is doing within a role.

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