Latest ultrasonic technology: New electromagnetic and ultrasonic frequencies for better effect! to better disrupt and irritate the nervous system from pests, which can effectively repel mice, cockroaches, ants, spiders, vermin, mosquitoes, insects, flies, fleas and other annoying pests. No chemicals added: This type of repellent is used to chase away parasites 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 chemicals and no harmful radiation, so it can be used safely. Large coverage area: It covers a large area and can occupy an area of 80 to 120 m². Can be placed in living room, bedroom, kitchen, bathroom, etc. We recommend that you install one device for each room. Easy to use: Just plug the pest killer into any electrical outlet (at least 30cm above the ground) to serve. You can usually get results in 3 to 4 weeks, depending on the level of infestation. Product description This
