Keep your home free from pests with this Ultrasonic 4pc Insect and Pest Repeller. This plug-in pest and bug repellent uses ultrasonic sound waves to keep insects and rodents away without using harmful chemicals. The set includes four devices that cover a large area, making it perfect for use in homes, offices, and other indoor spaces. With its sleek design and easy-to-use plug-in feature, this pest repeller is a convenient and safe way to keep your space pest-free. Simply plug it in and let the ultrasonic sound waves do the work. Say goodbye to unwanted pests and enjoy a more comfortable living environment with this effective and affordable pest repeller.