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The pests flee because they cannot adapt to constantly changing ultrasonic vibrations from the device. The environment becomes uncomfortable and irritable for them. They are required to leave the zone. Laboratory tests have proven that the devices are effective against pest nuisance. Wait +/- 2 weeks to get a good result. Continue to use the appliance to prevent the return of pests.
The ultrasonic vibrations (above 20,000Hz) are hardly susceptible to humans and animals. When you set the device to other frequencies, you may hear the device.
Ultrasonic vibrations cannot pass through walls. The signals bounce off hard surfaces. They are absorbed by soft materials such as carpets, sofas, etc. which can reduce the effect of the device. For best results, it is best to position the device so that the vibrations are not hindered by soft materials (for example, behind a sofa or curtain).
Set up and place:
1. Select the left switch for insects or rodents.
2. The middle switch can be set to silent or visible.
3. Select the right switch to “Normal Power” or “High Power” for the desired result.
Placing the appliance:
This device is harmless to humans, women in pregnancy, as well as dogs, cats, birds and reptiles. Also works against scorpions.
The device can possibly be harmful to small rodents such as: hamsters, desert mice and ferrets (so do not place them in the vicinity).