SportDOG Brand No Bark 8 levels - SBC-8The SportDOG Brand No Bark SBC 8 is an easy to use bark collar designed for dogs 8 pounds and larger. With eight levels of progressive static stimulation and Silent Partner bark detection, it delivers reliable training right out of the box. Eight Levels of Progressive Correction: starts at the lowest level and increases with every bark, then resets to the lowest level after 30 seconds of quiet. Silent Partner bark detection technology: ensures the