Effective in removing moles and voles: the device emits vibrations in the soil disturbing the moles and voles which are so annoyed and leave the infested places. An indispensable device to protect the garden, the farm, lawn, soil and seedlings from rodent damage. Wide coverage: Solar mole repellent transmits ultrasonic waves every 40 seconds, which is effective within 650 square meters (depending on the terrain) in all directions; long range and versatility to get rid of snakes, moles, voles, mice, rats and other burrowing animals, and more that can harm your garden, patio, farms, backyard and lawn, etc. We recommend using 2 for best results. Eco-friendly and safe: Mole repellent without radiation, chemicals or poisons, your dog and cat will not be harassed and other pets. Waterproof and Anti-Corrosion: The solar mouse repellent adopts waterproof and anti-corrosion design, so that the solar battery can work normally even in bad weather. It can be used for a long time without weighing