The powerful LED light with both a steady and flashing mode has a 100,000-hour life, allowing you to wear it without worry of it dying during a run. With a visibility range of up to 1,000-feet (300-meters) away, it will help to ensure you can be seen during low light runs. The reflective SABRE logo maximizes your visibility, helping to ensure that cars, bikes, and other pedestrians can see you, making your run even safer. The adjustable armband can fit arm circumference from 6” to 17.5”, providing a snug yet comfortable fit for almost everyone. Extremely versatile, the armband can be worn on upper arm, forearm, wrist, or even a leg. The Velcro material helps ensure the armband will stay secure throughout your run. Stay visible, stay safe, and enjoy your runs with maximized safety from SABRE. SABRE is the #1 pepper spray chosen by thousands of police departments and the leader in personal safety and self-defense products.