?【Adjustable Sensitivity & Frequency】- The anti barking device has 4 levels of sensitivity and 4 levels of frequency (15KHZ-30KHZ) adjustable. Different dogs may be sensitive to ultrasound in different frequency bands. Please turn the knob to test different frequency bands for best results. The dog device is suitable for dogs between 6 months and 8 years of age, except for dogs with hearing impairments or under 6 months and special large dogs.
?【Easy to Use】- The bark control device use the latest ultrasonic technology, suitable for all breeds and sizes of dogs. The device has a built-in pickup that can detect the dog’s barking within 50 feet and automatically emits ultrasonic that the dog can hear. Once the dog stops barking, the device automatically stops. Effectively training your dog to stop excessive and noisy barking.
?【Safe for Dogs and People】- The Mini Bark Control uses ultrasonic technology to allow humans to hear slight sounds but not affected by the sound, but dogs will be sensitive to these ultrasonic waves and other family members or neighbors will not worry about being affected. Ultrasounds do not inflict substantial penalties on dogs. Different dogs may be sensitive to ultrasound in different frequency bands. Please turn the knob to test different frequency bands for best results.