Instant Behavior Control: This ultrasonic bark deterrent stops barking, jumping, chewing, and more with the press of a button Silent Yet Effective: Our ultrasonic dog bark deterrent device uses sound only dogs can hear to correct unwanted behavior gently Safe and Humane: This anti-barking device for dogs is 100% painless, no shocks, no harm, just results Ready to Use: The dog anti barking device includes a battery for immediate training, no setup needed Better-Training-Solution: An anti barking device for dogs that’s a kinder, safer alternative to shock collars.