Are the signals produced harmful to Humans of Pets?
No. The Ultrasonic Pest Control is designed to be out of the hearing range of Humans and Pets. Pests are very sensitive to changes in Electromagnetic energy. Electromagnetic Pest Control utilizes the energy within the wiring and simply changes the electromagnetic fields to communicate hostile messages directed at Pests. Not only are the units not harmful to Humans and Pets our Ultimate Pest Repeller Electronic Pest Control Product which is unlike any other available is actually beneficial to Humans and Pets because it not only drives out disease carrying pests but also improves the air quality breaking down pollutants and harmful bacteria before you breath them in.