Environmentally friendly and safe: The ultrasonic mole repellent emits sound pulses and ultrasonic waves without the use of harmful or toxic chemicals. This ultrasonic animal repellent works exclusively on the basis of low-frequency sound vibrations, which scares away pets and humans. Waterproof design: Made of durable ABS and aluminum materials, it is corrosion-resistant, safe, and chemical-free, IP66 waterproof, rainproof. No radiation, chemicals, or odors. Solar powered: To keep our environment clean, we use environmentally friendly solar energy and rechargeable batteries for the outdoor mouse repellent. It can absorb sunlight for everyday functions. Furthermore, it must be used continuously for 7-14 days before the ground-feeding rodents begin to retreat from the area. Long Range: This solar-powered mole repellent is powerful and effective. It works in a circular pattern with a radius of approximately 15 meters and is suitable for open lawns, yards, gardens, farms, and other open