Ampp400s front light safety first the ampp400s comes with maximum side visibility usb c and securely held in place with our adjustable flextighttrade bracket. Rechargeable headlight 400 lm wide beam with opticubetrade lens technology excellent side visibility large power button for easy operation low battery indicator illuminates in red with less than 20% battery remaining usb c rechargeable usb c cable not included mode memory function five light modes high middle low daytime hyperconstant flashing turns on high mode with double click of power button sturdy flextighttrade bracket helmet mount and center fork bracket optional viz100 rear light compact and versatile the viz100 stands out with daytime hyperflashtrade mode in an economical package. 3 leds 100 lm highly visible during daytime 300 degree visibility long rear beam projection opticubetrade lens technology lithium ion rechargeable battery usb c rechargeable usb c cable not included low battery indicator four light modes constant flashing group ride daytime hyperflash mode memory function battery auto save the mode automatically changes to flashing when the battery power gets low. New seat post bracket sp 15 which fits contemporary kammtail aero seatpost snap systemtrade