SportDog No Bark 8 - Battery Operated Bark ControlThe SportDOG Brand NoBark SBC 8 is our easiest to use bark collar with its simple but effective design. Simply turn the collar on and place it on your dog. With eight levels of Progressive Correction and our Silent Partner bark detection technology, the SBC 8 will begin training immediately, only delivering consistent, reliable correction. The Progressive Correction starts at the lowest level of static stimulation and increases each time your dog