This automatic no bark dog training collar is the perfect solution for training your furry friend. The collar is waterproof and can be used for dogs of sizes S to XL. It features three different control methods: vibration, static/shock, and ultrasonic, allowing you to choose the best method for your dog's needs. In addition, this collar has several features that make it convenient and easy to use. It is rechargeable, has a low battery indicator, and is made by the trusted brand Ianciu. The model number is PL20 and it is specifically designed for use with two dogs. Get your hands on this bark collar today and help your dog become well-behaved.