Safe & Eco-FriendlyOur ultrasonic insect repellent uses the advanced art ultrasonic and electromagnetic technology to drive pests away naturally without killing, With no harmful chemical substances or toxins, this pest repeller is 100% safe in the household, causing no harm to kids or pets. It is cheaper and more durable than those expensive pest control companies and other pest control methods. .Ultrasonic TechnologyThe Ultrasonic Vermin Repeller use the dual ultrasonic and electromagnetic chips work simultaneously to disorientate the hearing and nervous system of pests to quickly and powerfully drive them away. It can drive away most types of flying and crawling pests such as mosquitoes, spiders, bed bugs, cockroaches, mice, fleas, ants, fruit flies, etc. .Wide Coverage AreaUltrasonic insect repellent is suitable for the area of 80 ~ 120 square meters. It's widely used in homes, warehouses, offices, gardens, hotels, etc. Since ultrasound cannot penetrate walls and solid objects, it is recommended to put one in one room. For areas where severe pests are severe, we suggest install 2 or more devices. .Easy To UseJust plug the Pest Controlr-epellent into the socket. Please make sure to install it vertically 30 cm in away from the floor. And make sure there are no barriers like curtains or cabinets covering in front of the repellent. Most customers can see the results within 2-3 weeksThen we can say goodbye to Vermin.100% GuranteeWe are fully responsible for the product. If you have questions about the quality or service of our products, you can always contact us by e-mail. We will respond within 24 hours. .