The XSV G2.1 leads the way with its output, features and performance all while providing 3600 lumens. Upgraded models now have improved long term reliability as the USBC port has been removed from both the light and battery and lights now feature dedicated external cables Customization of the beam pattern and light output allow you to set up the Gloworm XSV to suit your desired runtime and trail conditions using the Gloworm Link Mobile App Lightset includes: XSV light head, remote, power cables, 31.8/35mm bar mount, Power Pack, and charging adapter cable Third party online retail sales prohibited