Dog Barking Control Devices 16.4 Ft Blue

Package Dimensions ‏ : ‎ 4.76 x 3.62 x 1.54 inches; 3.53 ounces
Anti Barking Device: 2-in-1 ultrasonic Dog Trainer is a professional device for Dog Training and Dog Bark Control. The ultrasonic emitted by the bark control device can attract the attention of dogs and help prevent dogs from barking, digging, scratching, biting, climbing on furniture and other unwelcome behaviors. (For the best training results ,please ensure continuous use for more than one week)
Two Safe and Effective Frequency: This bark control device can emit 25KHZ fixed frequency and 30KHZ variable frequency, which humans won't receive but it works for dogs. The dog whistle to stop barking has no shock, no vibration, no noise, no touching the dog's skin, nor will it affect the dog's hearing, so harmless to dogs. Suitable for small medium large dogs.