ENHANCED NIGHT SAFETY - Ensure your dog's visibility with our bright dog collar, featuring 7 bright colors and 9 flash modes. The LED collar is visible from about 100 m, perfect for walks and night adventures. (Please long press for 3 seconds to turn it on and off) Long Battery Life - Quickly recharge your LED collar in one hour for over 8 hours of continuous use. Equipped with a convenient Type-C charging port, it is ready for any output Adjustable LED Collar - Easily adjust the light up collar to fit your dog. Our adjustable design ensures a comfortable and secure fit for dogs of all sizes Friendly material for dogs - The rechargeable luminous dog collar is made of silicone, very soft and lightweight. Compared with other TPU materials, this material prevents dog neck irritation, and the flat design fits the dog's neck better, making wearing very comfortable DURABLE & WATERPROOF - Designed to withstand the elements, this waterproof LED collar is perfect for all weather conditions, ensuring consistent performance in rainy or sunny weather