Ultrasound Safety: The ultrasonic solar repeller is effective against rodents such as cockroaches, mice, rats, snakes and other pests, stimulating the central nervous system of mice by vibrating and emitting 400-1000Hz sound waves. Vibrates every 30 seconds. It is very effective in eliminating moles and mice without harming people, pets and poultry, perfect for gardens, farms, greenhouses. Energy saving and waterproof: Using solar energy to generate electricity, no additional battery is needed, which can save a lot of energy. Installation is completely wireless and hassle-free. Made from high quality environmentally friendly materials, with good IP65 waterproof performance, not afraid of rain. ;Security ; Protection: Made of strong ABS plastic and corrosion resistant aluminum, it is safe and chemical free. No radiation, chemicals or odors, safe for humans and our pets. The outdoor greenery can be well hidden in the plants, and can also be used as a garden decoration. Efficiency and