Super bright for night walking, the lightweight collar makes your dog highly visible and keeps glow in the dark. No more worries about dog safety. ThisGPS Pet Tracking Collar is so bright and easily seen. It's made of high-quality materials webbing with a light guide which improves your dog visibility and safety. It can be set to quick flash, slow flash or steady glow by pushing the button. Such as Car drivers, joggers, cyclists and motorists will see your dog well in advance with this brights tracking collar, which can help you keep your dog safe.