Bright Safety LED Light Armband for Runners, Cyclists and Walkers. Stand out at night when you are running, cycling or walking! This armband includes batteries YOU CAN SAFELY EXERCISE WHEN IT'S DARK; The armband makes you highly visible for all the traffic around IT FITS COMFORTABLE; This band will not be in the way when exercising, it's not annoying to wear it. INCLUDES BATTERIES; They will last like 48 hours, and they are easily replaceable! EXERCISING AT NIGHT WILL BE LESS STRESSFUL; It can be stressful when you are not certain if a car sees you, with this band you can be more sure he sees you EXTREMELY MULTI-FUNCTIONAL; The band can be used when running, cycling, walking and even for example when you are going to a concert or festival as an accesory.