Features:
- System utilizes a one-half second stimulus with a four second safety delay between stimuli if the dog barks during the four second delay the collar will not activate
- DT Systems No Bark Trainer 190, 9 levels of adjustable intensity, fits Medium to X Large Dogs
- System utilizes a one-half second stimulus with a four second safety delay between stimuli if the dog barks during the four second delay the collar will not activate
- When used properly the 190dt is completely waterproof.