Greenlund 4-in-1 Ultrasonic Pest Repeller. Only $39

Fight back against pests without sprays, chemicals or odours with a Greenlund 4-in-1 Ultrasonic Pest Repeller The Greenlund 4-in-1 Ultrasonic Pest Repeller generates a powerful high-pressure sound inaudible to humans and pets, but sounds like a loud siren that is aggravating to insects and rodents! Electro-Vibrawave Technology surges digitally processed magnetic vibrations through the wiring deep within the walls where pests breed, transforming your home into a hostile environment for pests Air purifying ionic technology releases negative ions into the air to clean and eradicate odours and bacteria that attract pests.