ALEKO UAR02 Ultrasonic Animal Repeller Cordless Motion Activated Pest Deterrent Perfect for your yard, garden, greenhouse Repel racoons, skunks, deer, dogs, cats, rabbits, squirrels by emitting harmless ultrasonic sounds Great alternative to chemicals and traps Motion activated. Requires 3 x 1.5V AA Batteries not included. Includes post for installing into lawn or garden and screws to attach to wall, tree, or post