STOPWOOFER - Collar antiladrido para perros pequeños, medianos y grandes, collar antiladridos recargable, sin corteza, alerta de sonido y vibración, dispositivo antiladridosDOES NOT CAUSE YOUR DOG PAIN OR HARM: Unlike any other similar dog collar, our dog collar bark control & humane bark collar will eliminate nuisance barking without harming your dog. HIGH SETTING ACCURACY: Our bark collar & anti barking device comes with 7 levels of sensitivity. You can adjust the sensitivity of the vibrating collars to match your dog's barking and the environment. NO FALSE POSITIVES: This anti bark collar& anti barking collar comes