Good helper for invisible expelling - The nervous system of the rat is stimulated by the cyclic vibration wave of the buzzer, so as to drive away the mouse. The product can also drive away moles, snakes and rodents. The product does not emit radiation when it works, uses ultrasonic waves to repel moles, etc. Solar Charging - The product absorbs sunlight during the day and heats it. converts into electric energy and stores it in the battery.At night, when the switch is turned on, it automatically emits ultrasonic waves, without manual operation or external power supply, which is more convenient and energy saving. Durable and long service life - Using high quality ABS material, waterproof and durable on the outside, increases the service life of the product, but brings also more stability when fixing. Even working for a long time will not overload the soil, the green shell can easily hide in the plants. Safe, reliable and environmentally friendly - The product design is more humane and