Features: 3 Light Modes for Maximum Visibility: Choose between a solid-light mode or a fast-blinking setting, 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 readys for any adventures. High Visibility: Ensure that cyclists, passersby, drivers and other road users can always see your best friend. Your dog is easy to find in the dark and can be seen by other joggers and cyclists, motorists etc. USB Rechargeable: The dogs collar has smart USB charging technology. The LED dog collar is waterproof and can withstand all weathers conditions Adjustable Fit: Designed for all dog sizes, the collar easily adjusts to ensure a snug, comfortable fit. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement c Description: Material: Polyester webbing mesh Lighting modes: Fast flash, slow-flash, steady on Rechargeable: Lithiums polymers battery Capacity: 120 mAh Battery life: about 8 hours, fully charged in 2-3 hours Package List: 1x LED Pet Dog Collar