| I am now talking about Self Protection using noise | | | | when someone opens a door uninvited. A keychain |
| producers and light blinders or "blinkies". One such item | | | | alarm with a flashing light, a door alarm, hanging on the |
| is called a "screechers" alarm. It emits an ear piercing | | | | door knob, goes off when someone touches the knob, |
| blast that's readily recognized as a call for help. | | | | a magnetic door alarm, bolted to the door jamb or the |
| Another is an Electronic Whistle, emitting a loud 120DB | | | | side of a window, and goes off with noise when |
| whistle. It can be used as a safety alarm for crime | | | | someone opens the door or window. How about an |
| prevention or police for traffic duty, a locator in | | | | item called "Secure Dog". When an intruder gets near |
| emergencies, dog handling, a referee for sports | | | | the door it starts barking like an angry dog, scaring |
| games, etc. When out walking the dog, just push a | | | | possible crooks away, and a pool alarm" that sounds |
| button to keep pests away. | | | | an audible alarm when children or pets fall into the pool. |
| Another type, a wedge shaped door alarm. Goes off | | | | |