Advantages:

1,Low frequency sound waves to repel away mosquitoes, flies, ants, reptiles, cockroaches and rats.

2,None are immune to the sound and all will leave after 3 weeks of use.

3,The low frequency sound waves is inaudible to humans and pets, animal-friendly, and safe for children

4,.Ultrasonic Pest Repeller is effective for an area up to 1,200 Sq. Ft.

5, As ultrasonic waves can’t pass through walls and solid objects, we suggest using at least 1 device for each bedroom