This collar makes pet training easy. The high pitched tones, inaudible to humans, reinforce commands and dramatically reduce traning time by omitting gentle but irritating neg ... more

This collar makes pet training easy. The high pitched tones, inaudible to humans, reinforce commands and dramatically reduce traning time by omitting gentle but irritating negative stimulus when the dog barks, thereby calming the action. The collar requires one 9v battery (not included). less