Adjustable Frequency High-Powered Speaker Ultrasonic Insect Cat Dog Mouse Animal Bird Repeller for Garden Warehouse Supermarket
1. These devices are sanitary, safe, reliable, chemical-free, environment-friendly, and have no side effect to humans. They provide a more humane way to replace any other anti-pest measures that may require the use of harmful chemicals or poisons.
2 .Ultrasonic frequencies between 20~65 kHz are inaudible and harmless to human beings and most of household pets; sonic frequencies under 20kHz can be used outdoors to repel birds, stray cats or dogs and wild animals.
3. These devices produce 3-dimensional ultrasonic waves to repel rodents and pests within their effective ranges which cover any nooks in all directions, horizontally and vertically.
4. Ultrasound does not interfere with home appliances, such as TVs, radios, computers, remote controls, hearing aids, etc.
5. These devices consume little electricity and they are suitable for long-term use.