DescriptionThis LED dog collar is rechargeable, can light up in the dark very bright, and keep your dogs be seen and be safe at night when dog walking and running. With this glowing pet collar, you can take a walk with your pet safely.Features- Color: Blue. - Material: Nylon, plastic, solar panel, metal. - Size S: 35-40cm/13.78-15.75inch(Neck Circumstance). - Size M: 40-50cm/15.75-19.69inch(Neck Circumstance). - Size L: 50-60cm/19.69-23.62inch(Neck Circumstance). - Endurance Time: About 14 hours of continuous bright. - Charging Time: Solar charging about 8 hours; USB charging time is about 2 hours. - Have the release buckle to put it on and off easily.- The battery charge lasts a long time flashing with 3 mode light. - Fast glowing, slow glowing and steady glowing changed by the press switch button. - This glowing dog collar comes with a USB cable which is compatible with any USB device.- This light-up dog collar uses polyester, very comfortable for your dogs to wear on their necks.