General description The YMYNY 4 Pieces Mole Repellents are designed to effectively drive away moles, snakes, rodents, and other destructive animals using ultrasonic sound waves. These repellents are safe for the environment, people, and animals, ensuring that unwanted visitors are deterred without harm. Technical specifications Working principle: Emits sound waves of 400 to 1000 Hz Effective area: Covers up to 650 square meters with a radius of 15m Material: High-quality ABS and PVC Waterproof rating: IP65 Installation Simply plug the repellent into the ground for easy installation For optimal results, install 2 units every 100 feet in areas frequented by moles Usage Ideal for protecting gardens, farms, rice fields, and agricultural areas Operates continuously using solar energy, functioning day and night