The Fi Series 3+ Smart Dog Kit is an innovative collar equipped with AI-powered GPS technology, perfect for tracking your furry friend's location and activity levels. This waterproof and rechargeable unit is compatible with Android operating systems and offers features like fitness and activity monitoring for your canine companion. With an activation fee of $20 paid upfront, this smart dog kit provides peace of mind and convenience for pet owners looking to keep a close eye on their beloved animals. Made by the brand Fi, this unit is a reliable choice for those seeking advanced technology to enhance their dog's safety and wellbeing.