Electronic Bark Stopper – Newly Redesigned! Smaller, More Lightweight Collar

As the dog starts to bark , sensor sets off an electrical stimulation. Then there is a 4-second interval when the collar won’t respond, just in case the dog reacts vocally. 3 levels of stimulation, to suit your dog’s personality.l Collar is waterproof, 9 V radio battery (not included) 1 year guarantee.