General Description An effective repellent that helps keep pests such as mice, cockroaches, mosquitoes, flies, spiders, and moths away from your home. Utilizing electromagnetic ultrasonic technology, it offers a simple, chemical-free solution for maintaining a pest-free living environment. Technical Specifications Coverage: Up to 200 m Operation: 24/7, all year round Repellent Type: Electromagnetic Ultrasonic Safe for use around children and pets Sold as a pack of 3 units Compatibility and Accessories Compatible with all standard electrical outlets Installation Simply plug the device into any electrical outlet in your home, and it will begin operating immediately. Usage The device works by emitting electromagnetic pulses through the electrical wiring in your walls, which helps disrupt the nervous systems of pests and encourages them to leave the treated area.