The E-Bike Mega HB StVZO E2000 is an advanced StVZO-certified e-bike cycling front light delivering 2000 lumens of max output. This light is housed in a die-cast and CNC-Machined Aluminium body with extruded cooling fins ensuring durability, efficient heat dissipation, and an advanced computerized thermal management chip to maximize lumen output efficiency. The Orbis StVZO E600 offers Daytime Running Light mode as well as an intelligent ˜Thermal Protection Safety Feature which automatically reduces light output for safety and efficiency. Rigorously tested to IPX7 Waterproofing standards, it is built to withstand various weather conditions.Cutting-edge programming gives this light an innovative high beam/low beam system controlled by a remote switch that lets the user easily toggle between two modes 600 lumens StVZO or 2000 lumen high beam via an illuminated handlebar-mounted button. It has an integrated 130 cm (51.2 inches) cable connecting to the e-bikes motor/battery system. The BES3 BOSCH connector and CNC Machined Aluminium E-bike Mega Mount are included. E-Bike compatibility: 10.5 “ 13.5V input, 8.5W Low Beam / 16W High Beam.Our e-bike lights are powered by the motor/battery of an e-bike and need to be manually installed. Proper installation may require some disassembly of the bike and motor (depending on make and model, battery type) and additional wiring to connect the light to the motor. Please contact the e-bike or motor manufacturer for installation instructions. It is highly recommended to have a trained e-bike professional install your lights for you.