“?Solar Sonic Mole Repeller? round, with a radius of about 15m and an effective range of 700 square meters, can cover 700 square meters of voles, mice and snakes. We recommend that you install 2 devices per 100 feet to the ground, where pests are frequently found. ?Efficient and Convenient? It can effectively repel mice, moles, waffles and voles without using harmful chemicals and poisons that can harm your soil, pets and family. Protect your yard, yard, yard, lawn, seedbed and plants from rodents. ?Waterproof device? Made of high quality ABS hard material for long term use. The rainproof design was developed to meet the demands of rainy days. It is waterproof and can be charged under sunlight so that it can continue to be used at night ?Safety and Environmental Protection? Polycrystalline silicon solar modules feature high power conversion rate, environmental protection, energy saving and plug-and-play properties. By absorbing light, solar panels can provide enough energy to run the