High Visibility Light Up Dog Collar: Compared to the traditional way of replacing batteries, the charging function of illuminated dog collars is time and energy-saving. Simply plug it into a power source or the USB port of a computer to easily complete the charging process, without the need to frequently purchase or replace batteries. 2H of charging, lasts up to 10H. Sturdy Light Up Dog Collar for Night: The quick-release buckle is made of premium sturdy plastic and can be released quickly with one hand. Lighter than metal buckles, more comfortable to wear. Equipped with coated alloy D-Ring for quick and easy leash attachment. And the collar webbing is made of premium high-density polyester, which is wear-resisting, flexible, comfortable, lightweight, and non-irritating to the pet's skin. Light Up Dog Collar Rechargeable: For the convenience of pet owners, our collars are designed to be rechargeable, with a 250mAh battery and up to 10 hours of use, fully charged in just 2 hours. No worry about battery replacement and no additional costs. LED Dog Collar for Small Medium Large Dogs: Precision workmanship and sturdy accessories make the whole collar more robust, it can be used with any leash when you take your dog out for a walk, and you don't need to worry about wearing other collars. This light-up dog collar is perfect whether day or night. Easy to put on with a quick-release buckle. And the led dog collar can be adjusted to fit any size. Suit for many dogs, except mini-size dogs and puppies.