The loud sound draws much-needed attention to your situation and increases the risk of the bad guy getting caught. Your troublemaker will not like all the attention brought to himself and would likely want to find an easier target.
Great for Walking or Jogging
Carry with you when Traveling
Small, Lightweight, and Portable
Personal safety and keychain alarms are small, lightweight, easy to carry and perfect for women, men, the elderly and children.
These small, convenient noisemakers will not take up much space. Lightweight and extremely loud, they give you the attention drawing capability you need when it matters most. Carry a keychain personal alarm with you wherever you go and use it to draw attention to any crisis.