Light Em Up Paracord brightens your campsite, recreational vehicle, watercraft, tent or just decorate your outdoor environment. Paracord utilizes 3 "AA" batteries (not included) in a water resistant battery case with a clip to allow many different portable uses. The Light Em Up Paracord is easy to wrap, tie or attach to just about anyplace you want. Yill will get 50' of steady color, fast flash and slow flash modes in bright blue. Several colors and lengths available.