GoMotion Reflective LightBelt, 100 Lumen CREE LED Not Applicable Lightweight hex mesh waist back made for comfort and function; Two zipper pockets for storage and reflective strips for added road safety Powerful 100 Lumen LED light powered by 3 AA Energizer batteries located in the external battery pack; Batteries included Customizable light modes, High/Medium/Low (20/24/50+ hours), for different light intensity and run times Vertically adjustable rotary dial on the light changes the light stream from narrow to wide; Light itself can pivot up and down in a range of 100-110 degrees Complete with a flashing red LED light mounted on the back battery pack for high visibility