Description
A budget-friendly way to put an ultrasonic unit in several rooms at once. These plug straight into the wall, need no refills and run quietly in the background, which suits people who want a humane, low-effort deterrent.
Key features
- Four units, each rated for up to around 1,300 sq ft of open space
- Variable frequency output (10–65kHz) so pests are less likely to get used to it
- No poisons, refills or batteries; just plug in and leave running
- Low power draw for continuous use
Best for
Flats and smaller homes where you want a unit in the kitchen, loft, garage and one other room as a preventative step.
How to use it
Use one unit per room, as ultrasound does not pass through walls, floors or ceilings. Keep it at a low height and clear of sofas and curtains, which absorb sound.
Things to know
Results vary, and ultrasonic devices work best as part of a wider plan that includes sealing gaps and removing food sources. Keep them out of rooms where pet rodents or rabbits live.
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