LED Dog Collar IMPROVED DOG VISIBILITY & SAFETY - the latest Ultra-Bright LED's provide OPTIMAL DOG VISIBILITY during the dark winter months, reducing the risk of potential collisions & IMPROVING DOG SAFETY because your dog can be seen at distance by other dog walkers, joggers, runners, cyclists, motorists, etc, making this LED Dog Collar one of the most effective dog safety collars currently available on Amazon Collar is water resistant. This means that it is fine in the rain but not suitable for a dog who is hunting or swimming WEATHERPROOF - good for all weather conditions, the GoDoggie-GLOW collar is water-repellent, it has rust-proof components, & it is lightweight, strong, durable & built to last with only the best top quality materials & components Three flashing modes: The Led dog collar can be set to quick flash, slow flash or light continuously by pushing the button PERFECT TO USE WITH OUR MATCHING LED DOG LEASHES - You and your dog will be even more safe and visible. No matter where you go: you and your dog will be seen. Guaranteed!