Aspectek Upgraded Bark Stop Pro, Bark Free Dog Silencer & Animal Pest Repeller, Ultrasonic Bark Deterrent Improved and upgraded version of the famous Ultrasonic Pest Repeller with a specially designed Bark Stop feature to train away nuisance barking. The only ultrasonic bark control device equipped with remote control. This device is the right one if you have a problem with a barking dog! EFFECTIVE: with a coverage range up to 5,000 Square Feet, Infrared Motion Sensor (Adjustable), Night Time Scanner Technology you can repel ALL pests & animals; Rats, Mice, Birds, Squirrels, Raccoons, Rabbit, Deer, Skunk, Geese, Ducks, Seagulls and MORE! USE IT ANYWHERE: Using either four C batteries or the included AC adapter and 33 foot extension cord, the Yard Sentinel is suitable for Indoor / Outdoor; Weather Resistant; Tight Seal Water Proof Plastic Cover; Maintenance FREE; No poison or chemicals added; Easy To Mount Anywhere, Yard, Garden, Balcony, Rooftops, Garage, Basement, Campsites HUMANE: Harm free, No Toxic Chemicals , No Poisons, No Traps, No Hassles! Plus it won't bother your indoor pets! RISK FREE: As an annoyance based deterrent, we know the Bark Stop Classic may not be enough of a deterrent to solve 100%pest control issues, but with a 30 day money back guarantee and 1 year manufacturers warranty you have nothing to lose!