LED Reflective Armband - Best Safety Light - Super Bright Visibility - Perfect for Running, Walking, Cycling or Dim-lit Fun - Adjustable Velcro Strap - Flexible Silicone Body and Water-resistant Easy and Simple to Use - Click once in Steady mode. Click again in Flashing mode. Click one more time, it is turned off. All this can be done while standing, running, walking or on the move. Ultra High Visibility LED Strip Technology - The ViziVooom LED Armband is the light source that glows and improves the safety of all activities. You can be seen as far as 1000 ft (300 m) away. That's THREE (3) football fields away! Sleek Silicone Body Design - Lightweight Silicone is a durable material that is smooth to the touch, bendable and water resistant all incorporated into one LED safety armband light. Adjustable Velcro Strap - Band is stretchable and has a very strong grip for a snug fit. Versatility - Can be used for Running, Jogging, Walking, Cycling, Dogs, Horseback Riding, Motorcycling, Child Safety, Roadside Safety, Construction, Law Enforcement, Airport Personnel, Holidays, Festivals and Concerts. The uses are limitless.