Latest ultrasonic technology: New electromagnetic and ultrasonic frequencies for better effect! to better disturb and irritate the nervous system of pests, which can effectively keep away mice, cockroaches, ants, spiders, vermin, mosquitoes, insects, flies, fleas and other annoying pests . No chemicals added: This type of repellent is used to drive away pests by emitting ultrasonic waves. However, these ultrasonic waves are invisible and harmless to humans and pets. At the same time, it does not contain any chemical substances and harmful radiation, so it can be used safely. Wide Coverage Area: It covers a large area and can occupy an area of 80-120 sqm. Can be placed in the living room, bedroom, kitchen, bathroom, etc. We recommend that you install one device for each room. Easy to use: Simply plug the pest killer into any electrical outlet (at least 30cm above the ground) to serve. You can usually see results in 3-4 weeks, depending on the level of infestation. Product Description
