The E-Bike Orbis StVZO E600 is an advanced StVZO-certified e-bike front light with a light output of 600 lumens. This light is housed in a die-cast and CNC machined aluminium housing with extruded cooling fins that ensure durability, efficient heat dissipation and an advanced computer controlled thermal management chip to maximise lumen output. The Orbis StVZO E600 offers a daytime running light mode as well as an intelligent "Thermal Protection Safety Feature" that automatically reduces the light output for safety and efficiency. The unit has been rigorously tested to IPX7 waterproof standards and is built to withstand various weather conditions. It has an integrated 130cm cable for connection to the e-bike's motor/battery system. The BES3 Bosch plug and the CNC-machined aluminium e-bike mega mount are included. E-bike compatibility: 10.5 - 13.5V input, 8.5W low beam / 13W daytime running light. The e-bike lights are powered by the motor/battery of the e-bike and must be installed manually. Proper installation may require some disassembly of the bike and motor (depending on brand and model, battery type) and additional wiring to connect the light to the motor. Please contact the manufacturer of the e-bike or motor for installation instructions. It is strongly recommended to have the light installed by a trained e-bike specialist.