General description The 4 Pack Ultrasonic Animal Repellent is a solar-powered device designed to deter rodents and other pests such as cockroaches, rats, and snakes. It emits sound waves ranging from 400-1000 Hz every 30 seconds, effectively stimulating the central nervous system of these animals. This repellent is safe for humans, pets, and poultry, making it suitable for use in gardens, farms, and greenhouses. Technical specifications Power source: Solar-powered Sound frequency: 400-1000 Hz Effective range: Radius of about 15 meters Coverage area: 650 square meters Material: Durable ABS plastic and corrosion-resistant aluminum Waterproof rating: IP65 Installation Completely wireless and hassle-free installation Recommended to install 2 units per 100 feet in high traffic areas Usage This ultrasonic animal repellent operates continuously, providing 24-hour protection against unwanted pests. It is ideal for outdoor areas such as gardens, yards, patios, garages, driveways, decks, farms,