Fi Series 3 Smart Dog Collar - GPS Dog Tracker and Activity & Fitness Monitor, Waterproof, LED Light, Escape Alerts, Nationwide Coverage [Free 6 Month Membership] (Yellow, X-Small)THE WORLDS MOST ADVANCED DOG COLLAR Track your dogs live location, activity, and sleep with your Series 3 device, collar, and Fi Membership. LIVE, ALWAYS ON GPS TRACKING Precision GPS tracking, works nationwide with no maximum range (unlike AirTags, which have a 200ft radius) and 24 7 service. ESCAPE ALERTS Lost Dog Mode is triggered when your dog leaves a certain area, so you always know where they are and save valuable time if they get out. HEALTH +