Solar Yard Shield, 3 Pest Repellent Modes To Ensure Your Property Is Protected From Birds, Rats, Dogs, Cats, Fox, Snakes, & More, Audible Mode Uses A Series Of 7 Different Pre-Recorded Sounds That Appeals To Birds & Animals Auditory Sense Warning Them Of Danger, Perfect Solution For Deterring Pest Birds Like Pigeons, Ultrasonic Mode Uses A Selectable Scale Of Ultrasonic & Infrasonic Waves Allowing You To Set The Frequency For The Desired Pest You Wish To Deter, Combination Mode Uses Both Audible Noises & Ultrasonic & Infrasonic Waves To Detect Various Unwanted Pests, Can Be Hung Or Inserted Into The Ground Using The Ground Stake Provided, Perfect Solution To Deter Various Types Of Pests.