Lezyne MEGA E2000 Ebike headlight provides 2000 lumens on high beam with a 600 lumen low beam to provide the right amount of light for your conditions and speed. Daytime running light increase safety and auto thermal protection will reduce power to keep unit from overheating.Low Beam 600 Lumen | Hight Beam 2000 LumenStVZO-optimized lensDie cast and CNC-machined aluminum body with optimized heat dissipating designDaytime running lightsIncludes E-bike Mega MountThermal Protection Safety Feature: Auto-reduces light output for safety and efficiency Hi-Beam / Low-Beam switch with mode indicatorE-bike compatible 10.5 - 13.5V input 7W LB / 16W HB130cm power cable included