This Ultrasonic Pest & Animal Repeller scares animals away without harming them. It employs ultrasonic waves in under mode 3, which cannot be heard by humans but are effective at scaring pests and animals away. It also has a motion-activated flashing LED light. Perfect for driving away birds, wild boars, bats, mice, squirrels, raccoons, and other animals from your home, garden, farm, and more. It's designed to work under any weather condition for it is rainproof, windproof, and sunproof. It can hold up well for a long time under normal use. This repeller is equipped with a solar panel as the power supply and can also be charged with a 5~12V adapter.