Electronic mouse repellents operate under the idea of using high-frequency sounds to drive mice away from food sources and nesting grounds within human homes. However, there is little data that these devices repel insects or are effective in rodent control. ...
Does electronic pest control devices work?
In summary, ultrasonic pest repellers emit high-frequency sounds that manufacturers claim reduce household pest infestation, but laboratory tests have shown that the majority of such devices do not work as advertised, in violation of FTC guidelines.
Do sound repellents work on rats?
While rats and mice are easily frightened by strange or unfamiliar noises, they adjust to repeated sounds. This means frightening devices that use high frequency and ultrasonic sounds will be ineffective at repelling these rodents from your home or garden.6 dic 2018