Goodes Pest Control Ultrasonic Repellent-Electronic Plug in Control Repellent for Insect Rat Mouse Mice Mosquito Cockroach Ant Spiders Non-Toxic,Environment-Friendly,Human&Pets Safe ULTRASONIC TECHNOLOGY - Pest control ultrasonic repellent uses state of the art ultrasonic technology to drive pests away. The ultrasonic can act upon the hearing and the nervous system of the mice, rats and insects to make them unpleasant and uncomfortable and forces them to leave your home. Outdoor pests and insects will no longer come back. NO HARM AND SAFE - The ultrasonic frequency is inaudible to humans and pets, animal-friendly, and safe for children. Unlike glue traps, mousetraps, poisons or roach motelsall of which kill bugs and leave a messy cleanupour Ultrasonic Pest Repeller. SIMPLE AND SAVE COST - Probably the easiest to use electromagnetic pest repellent in the market. Easy plug and play. Also works on all pests .Don't spend thousands on dangerous exterminators and needlessly expose your kids, your company and yourself to poisonous, man-made chemicals.Let the pests get away your life . LARGE COVERAGE AREA - The ultrasound pest repellent can be widely used in home, warehouse, shop, hotel, hospital, office, grain depot, etc. With a coverage of 80 to 120 square meters of the room. CUSTOMERS GUARANTEE - We will refund 100% of your purchase if there is unuseful to get rid of your pest problem. Please plug it in a wall socket 30cm away from the floor and make sure ultrasonic pest control isn't blocked by furniture or curtains in your room.