The Nzonpet Anti Barking Device is a 3-in-1 solution for dog training and bark control. With an ultrasonic mode, a beep tone, and a LED light, the device helps prevent dogs from barking, digging, clawing, biting, getting on furniture, and other unwanted behaviors. The device is equipped with a rechargeable battery that has a lifetime of 12 days. The device also features an ergonomic design that makes it easy to carry and use, and the unique speakers reach up to 16.4 feet so they are perfect for driving dogs away or training them to behave well in public.