A pocket-sized auditory device that, when activated, emits a loud noise to startle criminals and attract attention from the public. In anime, these devices are stereotypically associated with [[loli]] characters.

h4. See also

* [[Crime prevention buzzer threat]]

h4. External links

* "Wikipedia: Personal alarm":[https://en.wikipedia.org/wiki/Personal_alarm]
* "Wikipedia (JP): 防犯ブザー":[https://ja.wikipedia.org/wiki/防犯ブザー]
防犯ブザー