Safe Ultrasonic: The Ultrasonic Solar Repeller Effective Against Rodents Such As Cockroaches, Rats, Mice, Snakes And Other Pests, Stimulates The Central Nervous System Of Mice By Vibrating And Emitting Sound Waves Of 400-1000Hz. Vibration Interval Every 30 Seconds. It Is Very Effective In Eliminating Moles And Mice, And Will Not Hurt People, Pets And Poultry, Ideal For Garden, Farm, Greenhouse.Energy Saving And Waterproof: Works In Solar Powered, Does Not Require Additional Batteries, Which Saves A Lot Of Energy. Installation Is Completely Wireless And Hassle-Free. Made Of High Quality Eco-Friendly Materials, It Has A Good Ip65 Waterproof Performance And Is Not Afraid Of Rain.Safety And Protection: Made Of Sturdy Abs Plastic And Corrosion-Resistant Aluminum, Safe And Chemical-Free. No Radiation, Chemicals Or Odors, Safe For Humans And Our Pets. The Green Outer Cover Can Be Well Hidden In The Plants And Can Also Be Used As A Garden Decoration.Wide Effective Working Range: The Device Works On A Square Pattern, About 15 Meters In Radius And Covers Up To 650 Square Meters. For Best Results, We Recommend Installing 2 Devices Every 100 Feet For High Traffic Floor Surfaces.Effective And Convenient: This Outdoor Animal Repellent Works Day Or Night, 24 Hours A Day. Continued. Ideal For Outdoors Such As Gardens, Yards, Patios, Garages, Driveways, Decks, Farms, Ponds, But Also Attics Etc. Ideal For The Protection Of Your Buildings