Features: 3 Light Modes for Maximum Visibility: Choose between a solid-light mode, fast-blinking setting, or slow-flashing setting to increase visibility in any environment. Sturdy & Weatherproof: Built with heavy-duty, water-repellent materials, this collar is waterproof, snow-proof, and ready for any adventures. High Visibility: Ensures that cyclists, passersby, drivers, and other road users can see your pet. Your dog is easy to locate in the dark and remains visible to joggers, cyclists, motorists, and others. USB Rechargeable: Features smart USB charging technology. The LED dog collar is waterproof and performs reliably in various weather conditions. Adjustable Fit: Designed to fit all dog sizes, the collar adjusts easily for a snug and comfortable fit. Notice: 1. Actual color may be slightly different from the image due to different lighting effects. 2. Please allow 1-3 cm deviation due to manual measurement. Material: Polyester webbing mesh Lighting modes: Fast flash, slow-flash, steady on Rechargeable: Lithium polymer battery Capacity: 120 mAh Battery life: Up to 8 hours, fully charged in 2-3 hours Package List: 1x LED Pet Dog Collar