Evidence of lasting mouse control is limited. Treat devices as an optional supporting measure.
Some studies and extension guidance describe inconsistent results. A brief behavior change does not prove lasting control.
A device behind a sofa cannot be assumed to reach the routes beyond it.
Closed doors and solid barriers limit exposure. Mice may also get used to repeated tones.
Use durable, suitable materials. Keep ventilation openings clear and inspect the edges of each repair.
Use sturdy closed containers, clean spills and remove nesting clutter. Continue these habits while monitoring activity.
Pair sealing and sanitation with appropriate trapping. Check traps daily and seek help if activity continues.