Superior Bird-X Transonic Pro - Electronic Pest RepellerThis sound barrier repels mice, rats, bats, chipmunks, squirrels, ticks, spiders, ants and other insects. It uses no chemicals or traps and provides a safe and humane method of pest control. Electronic Pest Repeller For indoor and outdoor use To keep away and control certain insects, animals and rodents Protect up to 2000 square feet Electrical 110 volts 9 different settings Made to repel racoons, skunks, squirrels, bats, fleas, ticks, and other