![It's in my neighbors front yard. It makes these really high pitched beeping sounds when I walk past it. : r/whatisthisthing It's in my neighbors front yard. It makes these really high pitched beeping sounds when I walk past it. : r/whatisthisthing](https://preview.redd.it/wrnte7uxhk831.jpg?auto=webp&s=dbdebb55ea37880966224554cebc26dcec59a5c3)
It's in my neighbors front yard. It makes these really high pitched beeping sounds when I walk past it. : r/whatisthisthing
![Couple who installed high-pitch 'mosquito' alarm to ward off racist teen vandals are now under investigation for noise nuisance | Daily Mail Online Couple who installed high-pitch 'mosquito' alarm to ward off racist teen vandals are now under investigation for noise nuisance | Daily Mail Online](https://i.dailymail.co.uk/i/pix/scaled/2013/06/18/article-2343706-1A608FDA000005DC-65_308x185.jpg)
Couple who installed high-pitch 'mosquito' alarm to ward off racist teen vandals are now under investigation for noise nuisance | Daily Mail Online
![Couple face £5,000 fine for using anti-child device on their home - to keep "screaming" kids away - Mirror Online Couple face £5,000 fine for using anti-child device on their home - to keep "screaming" kids away - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article6798564.ece/ALTERNATES/n310p/PAY-Noise-device-to-deter-children.jpg)
Couple face £5,000 fine for using anti-child device on their home - to keep "screaming" kids away - Mirror Online
![What are anti-child alarms, how do the 'mosquito' noise repellent devices work and how high-pitched are they? | The Sun What are anti-child alarms, how do the 'mosquito' noise repellent devices work and how high-pitched are they? | The Sun](https://www.thesun.co.uk/wp-content/uploads/2018/07/AD-COMPOSITE-Alarm.jpg?strip=all&quality=100&w=750&h=500&crop=1)
What are anti-child alarms, how do the 'mosquito' noise repellent devices work and how high-pitched are they? | The Sun
![This thing makes a long high pitched sound when I walk past it. What is it for? Found on the front of someones house. : r/whatisthisthing This thing makes a long high pitched sound when I walk past it. What is it for? Found on the front of someones house. : r/whatisthisthing](https://i.redd.it/1h5kjd5zngd51.jpg)