How Ultrasonic Mole Repeller Works Stimulates the central nervous system of mice by vibrating and emitting 400-1000Hz sound waves, so drive them away. It makes animals feel uncomfortable and can be discarded without harming them. Can repel moles, snakes, cockroach rodents, rats, mice and other destructive rodents. Harmless to the environment, humans and animals. Eliminates the use of mole traps, mole killers or mole poison. Waterproof and IP65 waterproof Solar mole repeller with excellent water resistance and able to work continuously even on rainy days. rain. Made of sturdy ABS plastic and corrosion resistant aluminum, no radiation, chemicals or odors, safe for humans and our pets. Solar panel technology that traps a mole is powered by a solar panel on top. The size of the solar panel is large enough to collect sunlight for the mole repeller to work for 3-5 days without using extra batteries. Easy to install Installation is completed simply by inserting into the ground. Because it is