20-65kHz Ultrasonic Parasite Control - Physical Repeller: Change the frequency using ultrasound theory to stimulate the hearing system of mosquitoes and other parasites and make them unbearable and uncomfortable. Ultrasonic circuit high frequency, not only for mosquitoes, but also against most rodents, such as insects such as cockroaches, ants, spiders and mice. No stimulation for people and animals. No chemicals added - energy saving and environmental friendly: no radiation, harmless, non-toxic, with wide coverage, ultrasonic waves cannot pass through walls. Scope of application: theater, restaurants, supermarkets, department stores, hotels, furniture stores, hospitals. We recommend that you install one device for each room. Easy to use - plug our electronic mice into the outlet and let the rest do it. And should stand vertically on the ground and be connected to the outlet. These invisible and harmless ultrasonic waves for people and animals domestic workers. so that it can be used
