Bark Control Collar: The PetSafe Basic Bark Control Collar automatically detects barking, with six levels of safe static correction to humanely stop excessive barking Durable Dog Collar: Waterproof, lightweight nylon collar with ergonomic design and long-lasting battery life for multi-dog training needs in indoor and outdoor environments Convenient Pet Training: This easy-to-use collar features an automatic shut off after 80 seconds of continuous barking; adjustable for dogs 8lb+ with neck sizes up to 27 inches Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families