The Fi Dog Collar Series 2 is an innovative and reliable tracker for your pet. Made of durable nylon material, it is designed to withstand any outdoor activity. The rechargeable collar is waterproof and equipped with electric LED lighting, making it perfect for night walks or camping trips. Its GPS feature allows you to track your dog's location and ensure its safety. Additionally, the adjustable collar is suitable for medium-sized dogs. Get your hands on the Fi Dog Collar Series 2 and never worry about losing your furry friend again.