Strengthen the microcomputer electronic insecticide is the world's latest, most comprehensive, most effective kind of insect, which can be given intermittently changing the frequency of electromagnetic waves and ultrasound, one turn of double-wave transmitter, forcing the rats and other pests away scene. It can effectively repel mice, cockroaches, ants and other pests, disease prevention is the home and office of environmental protection products. This product can be used for the family, warehouses, hotels, shopping malls, offices, hospitals, etc., no harm to humans and pets, without prejudice to other household appliances, the effective area of up to 100-200 square meters. This product uses ultrasonic Speakers and insurance lines, effectiveness and quality from the product is more mature than the previous. This product is 220V AC, power 6W, electricity only several times a month, can be used continuously more than 5 years, is the home of environmentally friendly products essential.