GoMotion Reactor 2 Reflective LightVest, Rechargeable Lithium-Ion Batteries, 150 Lumen CREE LED LIGHTWEIGHT HEX MESH VEST - Made for comfort and function; 2 front pockets for item storage and 9" padded sternum slider straps POWERFUL 150 LUMEN CREE LED - Sternum light contains a lightweight battery system and is powered by rechargeable Lithium-Ion batteries EXCEPTIONAL LOW TEMPERATURE PERFORMANCE -The Lithium-Ion battery has three modes, High/Medium/Low (8/18/54 hours), for customizable light intensity and run times VERTICALLY ADJUSTABLE- Rotary dial on front light changes the light stream from narrow to wide; Light itself can pivot up and down in a range of 100-110 degrees COMPLETE SET- with an additional back pocket for more storage, bungee straps and a flashing red LED light mounted on the back battery pack for high visibility