Wireless Remote Control SMD Piezo Buzzer For Keypad Tone Dumb
Sound output at 10cm
Buzzer:an audio signalling device.Uses of buzzers include alarm
devices,timers, and confirmation of user input such as a mouse
What is the advantage and disadvantage of a buzzer?
Advantages:Electrically operated device that is good for drawing
attention to a condition that requires attention.
Disadvantages:1.Annoying sound to those that don't know its
2.Requires training to know what the buzzer means, and how to
repair the condition without just shutting off the buzzer.
3.Could trigger a fire in an explosive atmosphere.
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