Invisible Expulsion - This smart solar ultrasonic mouse repeller does not emit noise or radiation. It is intelligent frequency conversion. It takes advantage of the high-pitched hearing characteristics of mice and designs wavesultrasonic and electromagnetic for mice's sensitive sound segments, which may cause them to have nowhere to hide. Solar Charging - The built-in is a high-quality aircraft-grade solar panel, which has high conversion and can be charged in rainy and cloudy weather. It can be fully charged in about seven or eight hours on a sunny day.The large-capacity nickel-chromium battery is upgraded and the battery life is longer. Safety and environmental protection - Made of ABS plastic + cast aluminum body, it has good compression coefficient, stronger corrosion resistance than traditional stainless steel, longer service life long, along-term use and the ultrasonic waves emitted are harmless to the human body, ensuring your and your family's safety. IP65 Waterproof - It adopts professional waterproof technology, superior waterproof performance, and the protection level reaches IP65. He is not afraid of the rain when it rains. It is very suitable for outdoor use.It is a real waterproof solar mouse repellent. Extensive Coverage - It can effectively expel mice hiding in dead ends, covering an area of about 300 square meters. This product is suitable for open lawns, farms, gardens and other open areas. Morethe effect is closer, the better. It is recommended to use two if the garden is larger. The above products are more effective.