about PETKIT Fit 3 ✅ Material: ABS plastic (main unit); Polyester (ribbon) ✅ Connect via Bluetooth - Install the PETKIT app on your phone via Google Play / Apple App Store ✅ Find/train your pets via ringtones () ✅ Monitors and tracks your pet's position, activities, sleep, calorie expenditure, etc. ✅ Low power reminder for 60+ days of battery capacity (LR44 button cell) ✅ The knot will be automatically released when pulled by an external force over 3kg. You don't have to be worried about your cats jumping around. ✅ Waterproof Adjustable Length (Kindly check your pet's neck circumference for a better fit.) ⭐ Small (for cats) - 16-21 cm ⭐ Medium (for cats) - 21-33 cm ⭐ Small (for dogs) - 24-35 cm ⭐ Medium (for dogs) - 33-55 cm
