Yard Sentinel, Outdoor Electronic Pest Animal Ultrasonic Repeller, with Ac Adaptor, Extension Cord HR131 

• Up To 5,000 sq. ft. of coverage range
• AC or Battery Powered, AC adapter & 33 foot extension cord included, Adjustable PIR Infrared Motion Sensor with Night Time Scanner, Inaudible High Pressure Ultrasonic Sound Wave
• Easy install and offers great pest protection for almost everywhere.
• Humane, No Toxic Chemicals & Easy to Mount & Operate.
• Works great against Rodents, Sea Rodents, Seagulls, Insects, Rats, Mouse, Birds, Bears, Deer, Dogs, Cats, Raccoon, Ducks, Geese, Squirrels, Skunks, Foxes...
• The Yard Sentinel from Aspectek is designed to humanely and effectively get rid of pests using the most advanced repelling technologies available.         How Does It Work 
  The Yard Sentinel provides multiple power sources including AC, 6V - 24V DC battery power sources, vehicle power source by connecting to the Cigarette Lighter Socket, and DC Sealed lead-Acid (SLA) battery power source.