1.【Super Bright LED Lights & Better Visibility】This LED dog collar features 18 super bright LED light beads (twice as bright as other similar light collars on the market), ensuring your dog is visible and safe, avoiding accidents, save your dog. life. 2.【15 lighting effects in one】The dog collar with lights adopts RGB color changing, it is multi-color flashing mode, you can choose 15 kinds of different color changing modes depending on your needs. your dog looks unique and cool. 3.【USB CHARGING AND LONG BATTERY LIFE】The LED dog collar is charged by a universal USB cable (included). Refillable, eco-friendly and recyclable. Charging for 1 hour can provide continuous lighting for 3-6 hours. Don’t worry about running out of battery when walking your dog. 4.【BEST FIT SIZE】Our light up dog collar is about 27.6" (70cm) long and 1" (2.5cm) wide, but you can simply cut off the excess length to fit your dog’s neck. There is no worry about choosing a collar size when purchasing. Note: When