Description Fluxient F4 front light with 2x wide beams and 2x spot beams. Light modes: Wide beam only High/Medium/Low/ Flash 1 /Flash 2 Spot beam only High/Medium/Low/ Flash 1 /Flash 2 Spot and wide High/Medium/Low/ Flash 1 /Flash 2 Claimed output- 4000 lumens. Measured output- 3605 lumens. Good reach and spread of light: Battery charges by usb (usb cable included), led shows green when charging, Also usb power out. 10,000mAh battery (mistakenly has 20,000mAh printed on casing) Screenshot Comes with handlebar mount to fit bars up to 33mm and adapter to fit GoPro mount.
