Excellent effect, no radiation - The rodent repellent keeps moles and voles away from your garden. The device vibrates on the ground, disturbs the animals and finds a more comfortable place. The product does not emit radiation when working, uses ultrasonic waves to repel moles etc. High Quality Materials - Made of high quality ABS material, the exterior is waterproof and durable, this which increases the life of the product and also provides more stability when fixing. Even long hours of work won't overload the floor and. Battery Powered - Powered by solar cells, no extra batteries required. The device will automatically be powered by the sun during the day to keep working at night, which means that all unwanted visitors cannot enter your premises. Large Effective Working Area - The equipment operates from circular manner with a radius of about 15 m and covers an area of 700 square meters. For best results, we recommend installing 2 units every 100 feet for floors where masterbatching is common. Safe and Environmentally Friendly - Product design is more user-friendly, harmless to the body human and provide a safer and more effective way to repel rats, instead of using chemicals or harmful substances to repel rats.Note: The data is all measured manually, please allow 1-3cm error , due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.