Safe ultrasonic: generating pulse and ultrasonic, which stimulate the central nervous system of mouse and mouse, takes 3 seconds every 20 seconds, and the effective diameter of each repellent is 15M. It is very effective to repel mole and mouse and not harmful to humans, animals and poultry, ideal for garden, farm, greenhouse Smaller, more efficient: The fact that the functionality and be kept, the size of the scare mole is reduced, which takes up less space, and the overall color can be integrated into the environment. 3.5cm*3.5cm amorphous silicon solar panels, energy conversion up to 10%. There can preferably be enough energy on cloudy days. No electricity consumption, no costs, very environmentally friendly and reduce electricity costs. Eco-Friendly Materials: Made from high quality ABS and aluminum pipes, IP65 waterproof and corrosion resistant and won’t pollute the ground even after long time working. The green outer shell can be well hidden in plants and can also be used as a