1) The machine room of 50 to 80 square meters can effectively play a role
2) This machine can effectively get rid of house mice, cockroaches, mosquitoes, fleas, flies, crickets, ants, carpenter ants and other pests, so it can be called Electronic Pest Repeller, electronic insecticide
3) The machine ultrasonic sound pressure away from the hearing range of the human ear, human and family pets will not cause any harm , and do not interfere with household appliances
4) The local safety and environmental protection , odorless and tasteless , energy consumption minimal ( Total power <2W )
