Key features:Electronic insect repeller, uses sweep frequency high-frequency ultrasonic circuit to generate sweeping ultrasonic waves of 20~55KHZ.For mosquitoes, cockroaches, mice, mites and other pests, no effect on the human body and other animals.Variable frequency ultrasonic wave and other technologies were used to drive away various pests within the scope of jurisdiction.Microcomputer chip and electronic integrated circuits are used.Small and exquisite appearance, easy to use.Manufacturer Specifications General Type: Ultrasonic Mosquito Killer Material:ABSInput voltage: AC180-250VRated power: 5-6WEffective range: 40-60 Sq.mPackage Included:1*Ultrasonic Mosquito KillerThe ultra-low frequency electromagnetic wave emitted by this product can effectively penetrate the wall, and it will not reduce the use effect due to being blocked by objects. Stable performance, strong function, quick effect.The ultra-low frequency electromagnetic wave emitted by this product is only for internal pes