Safe Ultrasonic: The solar ultrasonic repellent is effective against rodents such as cockroaches, rats, snakes and other pests. It stimulates the central nervous system of rodents by emitting sound waves of 400-1000 Hz every 30 seconds emits and vibrates. It is very effective in eliminating moles and rats and will not harm humans, pets or poultry, making it ideal for gardens, farms and greenhouses. Energy-efficient and waterproof: Solar operation means no additional batteries are needed and a lot of energy can be saved. Installation is completely wireless and hassle-free. It is made of high-quality and environmentally friendly materials manufactured, waterproof according to IP65 and does not stop even in the rain. Safety and protection: Made of durable ABS plastic and corrosion-resistant aluminum, it is safe and chemical-free. No radiation, chemicals or odors, safe for humans and our pets. The green outer shell makes it easy to hide among plants and can also be used as garden