3 Review(s)

1.Electronic insect repeller is a new type of high-tech electronic product, which uses sweep frequency high-frequency ultrasonic circuit to generate sweeping ultrasonic waves of 20~55KHZ. 2.Scientific research has found that mosquitoes, cockroaches, mice, mites and other pests in the range of sound waves of this frequency, their endocrine system and physiological functions will produce flocculation, thus playing a driving role, ultrasound is no effect on the human body and other animals Harmful, because more than 20KHZ sound waves can not be heard. 3.Safe,non-toxic,tasteless,and efficient,and has been widely used. 4.Widely used in homes, warehouses,shops,hotels,hospitals,offices,computer rooms,gardens,hotel grain stores,etc. 5.Product effective range: 80-120 square meters.