he Hecto Drive St VZO 40 is a multi-purpose performance cycling light with a German St VZO-optimized lens designed for class leading brightness vision range & safety. A compact CNC-machined aluminum body dissipates heat & is ultra durable with built in side visibility. The Li-Poly battery with charge indicator provides long run times & is rechargeable via a Micro USB (Universal Serial Bus) cable. Two power modes 40 Lux & 15 Lux offer variability for changing conditions. Mode Memory feature returns to the previously selected mode when the light is turned on. A rugged & versatile strap securely mounts to all standard bar shapes including aero bars. SPECS MAX LUMENS: 105 WEIGHT: 114g MAX RUNTIME: 7 hours