Aspectek Bark Stop Classic | Dog Silencer Bark Controller| 5000 ft2 coverage with Adjustable Dials Weather Resistant UPGRADED : Improved version of the Bark Stop feature to train away nuisance barking, also the iconic pest repellent mode keeps infestations and pest away. Best Dog Silencer ever! EFFECTIVE: Wide coverage up to 5,000 ft2, PIR 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 feet extension cord, Bark Stop Classic is suitable for 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!