& nbsp; Ultrasonic Safe: The ultrasonic solar repellent effective against rodents such as cockroaches, rats, mice, snakes and other pests, stimulates the central nervous system of mice by vibrating and emitting sound waves of 400 to 1000 Hz. Vibration interval every 30 seconds. It is very effective in removing moles and mice, and will not hurt people, pets and poultry, great for garden, farm, greenhouse. Energy Saving and Waterproof: Works on solar power, does not require additional batteries, which can save a lot of energy. The installation is completely wireless and hassle free. Made from materials High quality ecological, it has a good waterproof performance IP65 and is not afraid of the rain. & nbsp; Safety and Protection: Made of sturdy ABS plastic and corrosion-resistant aluminum, safe and chemical-free. No radiation, chemicals or odors, safe for humans and our pets. The outer cover green can be well hidden in plants and can also be used as garden decoration. & nbsp; Wide range