topbrand electronics group

Pest Repeller
This electronic mouse repellent intermittently alternately generate 1 ultra-low frequency electromagnetic wave and 2 ultrasonic waves of different frequencies, so that the mouse does not adapt to a fixed frequency and immunity. The waves will effect the auditory and nervous system of mice to make it become listless, lack of appetite, loss of reproductive capacity and invasion ability. Thus, it can repel rodents and prevent them from invading your home. 
In addition, sometimes it can help you to control the following pests: cockroach, ant, spiders, cricket, bug, flea, moth even mosquitoes etc.