The SportDOG Brand NoBark 8 Collar is an easy-to-use bark control collar that uses our patented technology to quickly detect your dog’s unique barking style and filter out all the rest to avoid any false corrections. The collar has a rechargeable battery that lasts 200 hours per charge. The collar is also waterproof and submersible up to 25 feet, making it perfect for use in any weather conditions. The automatic shutoff feature ensures that the correction will stop after 80 seconds of inactivity.