An ultrasonic repeller is a safe and chemical-free solution for keeping pests away from your home. It emits high-frequency sound waves that are inaudible to humans and pets but irritating to rodents and insects. Designed to deter mice, cockroaches, mosquitoes, and other unwanted guests. Simply plug it into a standard outlet and let it work continuously. Ideal for use in homes, garages, offices, and basements. Covers a wide area and requires no maintenance or refills. Environmentally friendly and humane pest control method. Compact and discreet design blends into any space. A hassle-free way to maintain a pest-free environment.