•  MULTI-CARRIER GPS LIVE TRACKING. Seamlessly switches across Verizon, AT&T & T-Mobile so you always get the best US coverage. Create multiple Wi-Fi Safe Places (Virtual Fences) and get alerted when they leave and come back. Review location history.
• 🐾 24/7 HEALTH MONITORING. Track activity, sleep quality, distance, calorie balance, anxiety, skin conditions and overall health & behavior 24/7. Set goals vs. breed, age & weight peers. Add multiple pets and owners in our iOS & Android apps.
• 🐶 SMALL (16 g) 🔋 4 WEEKS BATTERY. Weighing ~ half an ounce, FitBark GPS fits comfortably pets as small as 5 lb and most collars up to 1” wide. Tough, rugged & 100% waterproof with weeks of battery life on a single charge.
• ⌚ SMARTWATCH APPS. Optionally link your Apple Watch, Apple HealthKit, Fitbit or Google Fit wearable device or smartphone, compare stats side by side and start building healthy habits together. Fitbit Clock Face available on the Fitbit Gallery.
• Note： it need SIM card by your side