Description Fluxient F2 front light Claimed output- 1500 lumens. Measured output- 1724 lumens. Good reach and spread of light: Battery charges by usb (usb cable included), led shows green when charging, Also usb power out: Comes with handlebar mount to fit bars up to 33mm and adapter to fit GoPro mount. Changes to printed instructions for F series: Operating modes: 1 Press button to enter normal mode -Low/Medium/High 2 When light is switched on, press and hold button to enter 10 step brightness mode. 3 When light is switched off, press and hold to enter flashing mode. Battery attachment (see photos below) : 1 Wrap one half of the harness around the battery 2 Wrap other half around top tube.
