Environmentally friendly materials: Made of high quality ABS and aluminum pipes, IP65 waterproof and corrosion resistant and does not pollute the ground even after long work. The green outer shell can be well hidden in plants and can also be used as a garden ornament Solar Powered Ultrasonic Pet Repeller : Mole Repeller keeps moles and voles from entering your garden. The device emits vibrations in the ground, these disturb the animals and they look for a more comfortable. Completely harmless to humans and animals! Large effective working area: The device operates in a square model, approximately 15m in radius and covering up to 650 square meters. For the best possible result, we recommend that you install 2 devices every 100 feet for floor surfaces frequented by birthmarks High Efficiency Solar Power: High-tech solar modules are installed in the solar mouse repellent. No additional battery is needed, it will be automatically charged by the solar panel. It absorbs energy during the