8 Lighting Modes with 1500ft Visibility​： "Features 7 vibrant solid colors + dynamic rainbow mode, offering 8 unique light options. Choose between steady glow or slow flash modes. ​Lab-tested​ visibility up to 1500 feet for nighttime walks, camping, and outdoor adventures." 200mAh Fast-Charge Battery & Indicator​： "Built-in power indicator displays real-time battery status. ​USB-C charging​ achieves full power in 1.5 hours. Provides 10-12 hours continuous runtime (200mAh capacity ​exceeds​ standard collars)." IP67 Waterproof & Durable TPU Material​： "Constructed with ​military-grade TPU​ and shockproof protection board. Withstands rain, mud, and extreme temperatures (-4°F to 140°F). Eco-friendly silicone charging cable included. Adjustable 10-18 Inch for All Breeds​： "Vet-recommended​ sizing fits small to large dogs (5-100 lbs). Reflective strap enhances visibility, while breathable design ensures 12-hour comfort. Includes ​step-by-step sizing guide. Professional Support & Hassle-Free Solutions ：Our dedicated support team is here to assist you with any questions or concerns. If you encounter any issues, we will work tirelessly to provide prompt and effective solutions, ensuring your complete satisfaction with our product The CHENGNUOBO Luminous Dog Collar is a must - have for pet owners. With a click, you can switch among 8 colors, making your pet look stylish on walks. It has a 1500 - foot visibility range, ensuring safety during outdoor activities. The USB - charged collar has a charging display. A 1.5 - hour charge gives 10 - 12 hours of use, powered by a 200 mAh high - performance battery. At 27.5 inches long and freely cuttable, it fits dogs of all sizes. Made of durable TPU plastic, it's tough, wear - resistant, and waterproof. The battery comes with a protection board and an eco - friendly cable. Use it for daily walks or adventures. If there are any quality problems, our team will help right away. Get this collar to make your pet shine and stay safe.