Liying New Designed Pet Collar Fashion TPU Nylon Jewel Led Flashing Light Dog Collar - Suitable for Walking Your Pets At Night, Dark Environment, Outdoor, Pet Movement, Etc. (blue, M) New designed LED lighting dog collar, CR2032 battery powered, keep your pet safe and be seen in dark environments Three lighting modes: steady on, fast flashing, normal flashing TPU interlayer + high density nylon strap + convenient drawer mode switch + rustproof metal buckle + ABS engineering plastic clip Waterproof, and can be used in rainy day (please remove the battery when washing the collar, and reinstall the battery after the collar dried) The collar is lightweight and comfortable for your pet, and can also be used as decorations in day time; a perfect gift for any dog lover