Ultrasonic Dog Bark Stopper DeviceStop Barking Instantly with the Best Dog Training Device! Handle your dogs barking and behavior problems effortlessly with this innovative dog trainer device. Using ultrasonic sound and an LED flashlight, it stops barking in seconds while keeping your dog safe and stress free. Unlike bulky tools, this compact anti dog barking device fits easily into your pocket or bag, ensuring you're always ready. Its rechargeable battery offers up to 90 days of use