2 pack Repellente ultrasuoni per topi ratti roditori – da esterno 35 m² 2pz.

This device offers two units for better sound distribution and continuous operation via 220V external power. It creates an invisible screen to deter animals without chemicals, with a range of 35 square meters.

• The description claims that the device uses ultrasonic waves to disturb the hearing and nervous system of common parasites.
• The description claims that at around 95 dB of sound pressure, parasites stop searching for food, water, and shelter.