1. Solar power supply: This product is powered by solar energy, without external power supply, easy to install and use. 2. Rat repellent principle: The product adopts ultrasonic technology, which can emit sound waves with a frequency higher than that of human ears, which has a strong deterrent effect on small animals such as mice, so that they can leave the outdoor environment and reduce their damage to crops. 3. Garden protection: This product is suitable for various outdoor places, can protect gardens, orchards, farmland, warehouses and other areas, and effectively maintain environmental hygiene. 4. Multi-function: This product can not only emit ultrasonic sound, but also use LED flash to emit strobe light to repel animals, which is more effective. 5. Scope of application: This product is suitable for various outdoor places such as outdoor gardens, farmlands, orchards, courtyards, garages, granaries, etc. It is a practical rodent protection product.