The Tractive XL GPS Tracker & Health Monitoring for Dogs in the Adventure Edition is a durable and reliable device designed to track and monitor the health of dogs weighing 40 lbs or more. With LTE/4G cellular technology, this GPS tracker is compatible with smartphones and includes a rechargeable battery for convenience. The package includes a GPS tracker, charging cable, rubber attachment clips, and is equipped with features such as step counting and sleep duration monitoring to help pet owners keep a close eye on their furry companions' well-being during outdoor adventures. Made of plastic in a sleek gray color, this pet activity tracker is designed for dogs and is compatible with all current iPhone and Android models.