Glow in the Dark Led Dog Collar - this rechargeable LED collar adopts TPU LED light guide tube covered by the mesh fabric, can light up in the dark, and keep your dogs visible and safe at night when you walk your dog. USB Rechargeable Battery Dog Light Up Collar - this dog light up collar has USB rechargeable battery, you don't need to replace batteries, just charge it after use , it is more environmental friendly. Comfortable to Wear and Easy to Use Dog Collar - This luminous dog collar uses the soft mesh fabric, very comfortable for dogs neck. Release buckle for putting on and taking off. Click the small button on the side of the battery case to change flash modes: steady light, blinking, off. Features: Material: TPU tube. Color: blue. Necklace length: 70cm, can be cut. Lighting modes: fast flashing, slow flashing, solid glow. Battery usage time: charging 2 hours, usage 8- 10 hours for slow flash, 6-8 hours for fast flash, 2-3 hours for steady glow. Warning: Choking Hazard: Small parts. Not suitable for children under 3 years old. Charging with 5V USB adapter only. Do not use fast charging adapter, it may cause serious damage Note: Due to the light and screen setting difference, the product color may be slightly different from the picture. As the manual measurement is different, please allow slight differences in the size. Shipping Quantity: 1 piece