Fi Series 2 GPS Tracker Smart Dog Collar Size Small - Brand new, without box as shown in our photo. The Future of Collars is Here Meet the Fi collar, a GPS and activity tracking collar designed to bring you closer to your dog. This smart collar uses the latest technology to let you know where your best friend is at all times—for his safety and your peace of mind. It also lets you monitor how much exercise he’s getting daily, so you can keep an eye on his fitness and overall health. GPS Tracking The Fi collar uses the LTE-M cellular network to let you easily track your dog from your phone. Use it to check his location anytime and anywhere he may be, or switch it to Lost Dog Mode to get real-time location updates in emergency situations. The collar also uses geofence detection and can notify you immediately if your dog escapes the yard. Activity Monitoring Track how many steps your pup is getting in each day with activity monitoring you can access from your phone. The app lets you set daily goals for his fitness and see how his activity level stacks up to other Fi collar-wearing pups. Compare his fitness to dogs of the same age or breed or compete in neighborhood leaderboards for fun! Battery Life The Fi smart collar lets you go up to 3 months between charges, for more playing and less worrying about battery levels. It connects to your home network to save battery and improve accuracy and uses smart power management to conserve its charge when out of range of WiFi. If your dog ever escapes, those extra few days of battery life can make all the difference. Designed for the outdoors The Fi is made to be waterproof, dirt-proof and adventure-proof, with an armored aluminum faceplate and reinforced internal metal frame to resist bites. It’s compact and lightweight to suit pups of all sizes, with interchangeable collar band options in a variety of sizes, colors and styles. Choose from martingale collars, stylish leather and biothane bands and more. Subsciption not included: A subscription gives you access to the full capabilities of your dog's Fi collar - allowing for remote access to your dog's location and activity. The cost of the subscription covers the GPS/LTE connection to your dog's Fi collar. Without a subscription, the Fi collar will still function - but if yo ur dog wanders outside the range of your smartphone, base or WiFi, they will not be able to locate your pup. It is highly recommend purchasing a subscription if you’re worried about your dog running off Remember to measure your pet for the paw-fect fit. Step your dog’s collar game up with this Fi Series 2 GPS Tracker Smart Dog Collar! This high-tech collar is designed to track your pup’s activity levels and keep you informed on his whereabouts thanks to the GPS location feature. This durable, waterproof collar features a customizable LED light and has a long battery life with up to three months between charges! SIZE: SMALL 11.5"–13.5" neck Key Benefits You can track your dog anytime, anywhere by using the latest cellular and GPS technology. You can receive alerts every time your pup escapes, so you can stay on his tail at all times! Keep track of your buddy’s activity levels to ensure he’s getting enough exercise. You can even compare his activity levels with other dogs in the neighborhood and of the same breed! The battery life can last up to 3 months between charges! Inclused: Fi Collar, Charging Base, Plug.