Birdx Transonic Pro Pest Repeller (TRANSONICPRO)
Ultrasonic Pest Repeller, Repels Rodents, Raccoons, Skunks, Squirrels, Bats, Spiders, Fleas, Tics, & Many Other Flying & Crawling Pests & Insects, Covers Up To 2,000 SQFT, Use Indoors Or Outdoors, 20'...
Pros: The real pros are the ones who talk you into buying it.
Cons: Unbearable noise levels. But the real cons are the ones who sell it to you.