Stop excessive barking: Safely and effectively reduce unwanted barking and whining Illuminated digital display: Switch between modes, adjust correction levels and check battery life Two correction modes: Progressive Mode adjusts automatically, while Manual Mode allows custom settings Customizable Training Levels: 7 levels of static stimulation plus 7 levels of tone and vibration settings for tailored bark correction Rechargeable battery for long-lasting use: A 2-hour charge with the included cable can last up to 10 days Waterproof up to 3 feet: IPX7 rating withstands submersion in 3 feet of water for up to 30 minutes Perfect fit for every pet: Adjustable nylon collar fits all dog sizes; collar is not recommended for pets less than 6 months old or less than 8 lbs U.S.-Based Customer Care: Our pet product experts are happy to help you and your pet; we are available by phone, email or chat if you have any questions