LED, Rechargeable, Pet Collar, USB Description ★LED SAFETY DOG COLLAR - Illumifun LED dog collar is so bright and easily seen. It’s made of nylon webbing with a light guide which improves your dog visibility and safety. ★THREE GLOW MODES - It can be set to quick flash, slow flash or steady glow by pushing the button. ★RECHARGEABLE MICRO USB - The LED dog collar can be recharged by the USB cord. ★ADJUSTABLE DOG COLLAR - Each size of the LED dog collar can be adjusted with a buckle. Also, it has a Heavy-Duty D-ring that can be faultlessly connected with our led dog leash.