【Safe and Eco-Friendly】The ultrasonic mouse repellent is made of high-quality eco-friendly ABS. No annoying chemicals or pesticides, no traps, no dead animals. 【Ultrasonic Prevention】Emitting a sound wave every 20-30 seconds, this device works through an interval vibration generator that sends out 400 Hz- 1,000 Hz vibrations and ultrasounds. 【Solar Energy Saving】Built-in high-tech solar panels, the repeller can automatically charge from solar panels. Solar panels provide sufficient energy by absorbing light, eliminating the need for additional batteries and charging. It is much cheaper than battery-powered insect repellents. 【Effective and Safe】This disturbance will force the pests to evacuate the area, as they consider it a danger, and then chase them away. The sound waves do not harm pets or children. 【Waterproof】Made of high-quality and environmentally friendly materials, it has good water resistance and is not afraid of rain. Note: Never immerse this product in the rain. If it