Product Product selection: 4pcs 1. [Working method]: The solar probe deflector vibrates and emits low-frequency sound impulses ranging from 400-1000 Hz every 30 seconds, causing discomfort to pests without physical harm. This method does not result in death, poison, or traps. It serves as an eco-friendly solution, ideal for gardens, farms, and greenhouses. 2. [SOLAR OPERATION & WATERPROOF]: Equipped with a solar panel on top, this device harnesses solar energy for efficiency and sustainability. It can also be charged via USB cable. Constructed from high-quality ABS plastic, it features weatherproof and UV-resistant properties, ensuring protection against splashing water from all angles and resilience against rain, snow, or intense sunlight, making it perfect for gardens, yards, and farms. 3. [Environmentally friendly materials]: Crafted from premium ABS and aluminum tubes, this device is IP65 waterproof and corrosion-resistant, with minimal impact on the ground even after extended use. The green outer casing blends seamlessly with plants and doubles as a garden ornament. 4. [Wide effective work area]: The device operates in a circular pattern, covering a radius of about 15 m and up to 700 square meters. For optimal results, it is recommended to install 2 units for every 100 feet in areas frequented by moles. 5. [Easy to Install]: Versatile use with a wide infrared sensor range: Simply remove from the box, select your desired mode, then insert the repeller into the ground, mount against a wall, or place the top part directly on a flat surface.