2-in-1 ultrasonic anti barking device provides a safe and effective solution for dog training and bark control.
25KHZ fixed frequency and 30KHZ variable frequency, ensure that one of them can be used effectively.
Suitable for small medium large dogs.
16.4ft effective control range, makes it suitable to be used indoor or outdoor.
Rechargeable anti barking device, charged in 2 hours and works about 60 days.