Dog barking deterrent device

Dog Barking Deterrent Devices, Bark Control Device with Dual Sensors 2 in 1 Portable Ultrasonic Dog Training Corrector Up to 30 ft Range.

This device can effectively train your dogs to stop unwanted behaviors such as barking, digging, eating unsafe food, fighting, etc;
This device's control range is 30ft. the sound is difficult to pass through the obstacle material. Please use the device in a clear sight by pointing your dog directly.
This device can be applied to all-breed dogs and all size dogs;
This device isn’t effective on dogs who are hearing impaired;
This device cannot be used for dogs under 6 months;
The Different dog breeds may react to the ultrasonic sound differently;
Keep patience with the dog, your pet can be rewarded appropriately after correcting the bad habits through the trainer;
Packing List: 1 x Ultrasonic Training Devide; 1 x Wrist Rope; 1 x User Manual; 4 x AAA Battery.