![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
![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/NINTCHDBPICT0004208829121.jpg)
What are anti-child alarms, how do the 'mosquito' noise repellent devices work and how high-pitched are they? | The Sun
![The Mosquito Alarm is designed to repel youth away from areas by playing noise at a frequency most adults can't hear. : r/HostileArchitecture The Mosquito Alarm is designed to repel youth away from areas by playing noise at a frequency most adults can't hear. : r/HostileArchitecture](https://i.redd.it/qchepuk2agt51.jpg)
The Mosquito Alarm is designed to repel youth away from areas by playing noise at a frequency most adults can't hear. : r/HostileArchitecture
![Dad-of-ten outraged after neighbour's 'ANTI-CHILD alarm' leaves seven-year-old daughter 'screaming in pain' - Mirror Online Dad-of-ten outraged after neighbour's 'ANTI-CHILD alarm' leaves seven-year-old daughter 'screaming in pain' - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article12930918.ece/ALTERNATES/s1200c/SWNS_ALARM_ROW_11.jpg)
Dad-of-ten outraged after neighbour's 'ANTI-CHILD alarm' leaves seven-year-old daughter 'screaming in pain' - Mirror Online
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Solar Vogel Repeller ip65 pir Bewegungs sensor Alarm lampe Detektor abschreckung Tiere Katze Hund Fuchs Schlange abweisend für Garten im Freien - AliExpress
![For months, the downtown police precinct's building featured "mosquito devices" banned by the Spokane City Council | Local News | Spokane | The Pacific Northwest Inlander | News, Politics, Music, Calendar, Events For months, the downtown police precinct's building featured "mosquito devices" banned by the Spokane City Council | Local News | Spokane | The Pacific Northwest Inlander | News, Politics, Music, Calendar, Events](https://media2.inlander.com/inlander/imager/u/original/23248858/news1-1-d27571015db86bbf.jpg)