The Lumen 600 4.0 continues to expand on the functionality and versatility of the best-selling predecessor, the Lumen 600 3.0. This patented design features UltrAspire 3D Lighting which casts shadows across uneven surfaces giving you a better understanding of your terrain. It has a wide flood cone that provides 600 lumens of Steady Beam even lighting for the most natural running experience out of any light. The Lumen 600 4.0 comes with a removable pocket when capacity is needed. This light features our Race Fit which is a fatigue-free buckle system allowing you to easily undo the buckle, and a conical belt which is made of limited-stretch elastic providing a more natural breathing pattern. The power button also include a battery indicator light that when toggled on quickly illuminates green gold, or red indicating battery level. This waist light includes one of our UltrAspire rechargeable 18650 batteries and now features a USB Type-C charging port for a significantly quicker charge. Includes a USB Type-C charging cable. Worn once for a race. 6 hours total. Everything included.