SCARECROW / Dispel Insects by Sound Wave

In the summer , the scarecrow is always standing still in the rice field.The image of the design comes from a scarecrow. The scarecrow can catch the solar energy and tranform it into electricity.Insert it into soil,then it can use the electricity to drive insects by sound wave.The product not only can prevent insects to destroy plantsbut also can detect the damp of soil and awake users to water their plants.You can contribute to ecology without using any toxic substances and can save energy as you use this product.Just insert it into soil,catching the power from solar energy by using solar energy board and change it into a sound wave.