Ultrasonic Safe: Effective against rodents such as cockroaches, rats, mice, snakes and other pests, the ultrasonic solar repeller 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 getting rid of moles and mice and does not harm people, pets and poultry, ideal for garden, farm, greenhouse. Energy-saving and waterproof: powered by solar energy, no need extra batteries, which can save a lot of energy. Installation is completely wireless and hassle-free. Made from high quality eco-friendly materials, it has good IP65 waterproof performance and is not afraid of rain. Safety and Protection: Made of durable ABS plastic and corrosion resistant aluminum, safe and chemical free. No radiation, chemicals or odors, safe for humans and our pets. The green outer shell can be easily hidden in plants and can also be used as a garden decoration. Wide effective working range: The device