Without chemicals and high quality: Ultrasonic repellent does not contain harmful or toxic chemicals to repel rodents without injury. The external anti-insect zone fits into the soils to operate automatically. In addition, the snake repellent is also manufactured in high quality ABS to ensure maximum durability and longevity. Material: Made of high quality ABS hard material and aluminum for long-term use. The rainwater design has been developed to meet the requirements of rainy days. It is waterproof and can be loaded under the sunlight so that it can continue to be used at night. Rodent control: the solar anti-taupe repellent keeps moles and voles away from your garden . The apparatus emits vibrations in the soil, naturally the rats hate this sound and treat it as a symbol of danger. This repellent is extremely effective against moles, mice, rats and other rodents. Excellent job: The sonic repellent can work continuously day and night, even rainy days. Sonic pulses emit sonic pulses