Lazydog 3-in-1 Dog Bark Control Ultrasonic Device | Rechargeable | Barking Deterrent Devices | Handheld Repellent | Stop No Bark Training | 16.8 Ft

INTRODUCING A NEW DOG BARK CONTROL ULTRASONIC DEVICE  Dog barking deterrent devices come with a unique size wrist strap. Clicker training for dogs perfectly fits your hand and pocket. Simply press the button to variable mode and the dog repellent ultrasonic sound will attract the dog’s attention. HUMANE TRAINING This dog bark control is developed with professional trainers and fits small dogs from 3 months up to medium and large dogs up to 8 years old dogs that are not violent and aggressive and have normal hearing. Barking dog deterrent ultrasonic devices are designed by a special K9 trainers team. Ultrasonic dog bark deterrent is very useful for anti-bark training. ERGONOMIC HANDHELD DESIGN  The average man's hearing is 20HZ to 20KHZ and dogs’ - 15HZ-120KHZ. The ultrasonic bark control device emits sound at 25KHZ, applicable to all-breed and all-size dogs. No hurt for the hearing, it grabs the dog’s attention.   UPGRADED ULTRASONIC FREQUEN