Bird-X® Yard Gard Ultrasonic Animal Repeller. The ultimate UNwelcome mat!
NO dirty poisons, chemicals or traps... this uses powerful ultrasonic high-frequency sound waves, with adjustable frequency, to drive away mice, rats, squirrels, deer, rabbits and other small animals. Effective coverage for up to 4,000 sq. ft., recommended for use in small outdoor areas, semi-enclosed areas, and some indoor areas like basements, attics, greenhouses, etc.