Electronic Yard Fence Keeps unwanted animals out of your yard by using ultrasonic sounds that create an uncomfortable environment. Picks up motion up to 85 ft away. Perfect for yards, gardens, flower beds, near garbage or anywhere animals intrude. Wall mounting bracket has adjustable swivel motion allowing for quick and easy range direction changes. Operates with UL adapter and 50 ft cable or 2 9V batteries (not included). Water proof and shock proof cabinet.