The Lezyne E-Bike Power HB STVZO LED Front Light features a German StVZO optimized lens with approved flood and long-range high and low beam. A high-performance dual LED system delivers 290 lumens in low beam and 500 lumens in high beam. Durable, heat-dissipating CNC machined aluminium construction. A versatile strap securely fits most handlebar shapes and sizes. Remote Switch compatible.Lezyne E-Bike Power HB STVZO LED Front Light SpecificationsMax Lumens: 500 lumens.Max Runtime: 3:30 hours.