The Innotek Automatic No-Bark Dog Collar is incredibly easy-to-use, with no external controls or settings to hassle with. The BC-50B collar is water-resistant and is powered by a 6-volt battery (included). Helps your dog teach himself to remain quiet. Activated only by your dog's bark. Easy-to-use, no external controls or settings to configure. International Customers. Please Note: These products are for the U.S. and Canada markets, and not for oversear export. Because European products must be manufactured to comply with EU standards, they carry different model numbers and prices. For ordering assistance please go to our International Dealers Section.