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 In Operation, Uses Ultrasonic Waves To Repel Moles Etc.Solar Charging - The Product Absorbs Sunlight During The Day And Converts It Into Electrical Energy And Stores It In The Battery.At Night, When The Switch Is Turned On, It Will Automatically Emit Ultrasonic Waves, Without Manual Operation Or External Power Supply, Which Is More Convenient And Energy Saving.Durable And Long Service Life - The Using High Quality Abs Material, Which Is Waterproof And Durable On The Outside, Increases The Service Life Of The Product, But Also Brings More Stability When Fixing. Even Working For A Long Time Will Not Overload The Soil, The Green Shell Can Easily Hide In The Plants.Safe, Reliable And Environmentally Friendly - The Product Design Is More Humane And Harmless To The Human Body. Safer And More Effective Way To Repel Rodents, Instead Of Using Chemicals Or Harmful Substances To Repel Rodents. Wide Effective Coverage - It Can Be Used In Gardens, Yards Or Outdoor Camping Air, And It Can Also Repel Animals That Hide In Dead Ends. The Effective Working Range Is About 650 Square Meters. It Is Recommended To Install One At An Installation Interval Of Five To Eight Meters To Achieve Greater Coverage.