MACRO StVZO 500+ FRONTMacro StVZO 500+ front light is StVZO certified with four LED emitters. This light is engineered for maximum efficiency and runtime, providing the best beam pattern for optimal visibility in even the most challenging conditions. It boasts four output modes, with 500 lumens max output and 18 hour max runtime. The lights waterproof USB C charging and CNC machined aluminum construction ensure durability and efficient heat dissipation. Rigorously tested