Overview: 1. Worry-free daily waterproof use Waterproof collar, worry-free when going out on rainy days, use at ease 2. One-key touch for better experience Intimate 3 gear modes can be switched at will, suitable for different scenarios and needs Fast flashing-slow flashing-always on 3. Long battery life and more peace of mind UsB charging cable charging is convenient and fast, and easily solves the trouble of charging without electricity 4. Reflective travel is worry-free at night Vehicles traveling at night can illuminate the product with lights, so that the product emits a reflective effect to warn the vehicle Specifications: Material: Nylon Product Category: Collar Product Size S telescopic range: 32-43cm wide 2.5cm M telescopic range: 39-51cm wide 2.5cm L telescopic range: 44-64cm width 2.5cm Battery model: 10150A-60 mAh: 0.222Wh Normally bright 5, fast flashing, slow flashing at 9 o'clock, charging 2 clocks Package Content: 1*Fiber Optic Waterproof Magnetic Charging Collar