Dog trainer, Anti-barking device

Are your Neighbours complaining about your barking dog? This is your solution Our updated ultrasonic dog anti barking device makes it easier when training. Package comes up with USB cable and is rechargeable. This ultrasonic dog bark control device emits the ultrasonic sound that can be heard only by dogs. Different dogs may be sensitive to ultrasound of different frequency bands. Please turn the knob to test different frequency bands to obtain the best results. Equipped with a powerful battery, the anti-bark device can contiguously work for 15 days after fully charged. IPX4 waterproof can be hung on the tree, anywhere indoors and outdoors The dog deterrent device is not applicable to the following situations: aggressive dogs, noisy surroundings, hearing impaired dogs, more dogs together, dogs under 6 months or over 8 years