Dogtra Stubborn No Bark Collar YS500 for Big Dogs 40 lbs. +
... only when your dog barks. Dogtra YS500 No bark collar for med. to large dogs, 40 lbs
+, has the intelligent sound technology that distinguishes and functions only to the sound of YOUR ... bark collar will interfere with the Dogtra YS500 bark collar.
This medium to large size 40 lbs
+ bark collar has 6 levels of stimulation and 1 level Vibration Mode (non-stimulating) - Designed ... Details...