The Nite Ize LED Sport Belt Flash Light NSB-51-R8 is streamlined and lightweight, making it the perfect bulk-free, all-weather, all-season way to be visible when you're out in the dark. Made of durable, weather-resistant nylon, This LED Light from NiteIze is flexible and comfortable to wear. The LED is simple to activate-press once for steady glow and twice for flash mode. The Nite Ize LED Sport Belt Light has a webbed reflective pattern that provides secondary passive visibility for added safety, and its 2" width allows you to easily attach most conventionally-sized water bottles and energy gels. The on/off switch on the Night Eyes Sport Belt LED Light is lockable and the bright red LED is powered by three AAA alkaline batteries (included, and easily replaced) that provide 200 Hours of illumination.