Compact bright and built for all day visibility the viz100 delivers powerful performance in a wallet friendly package. Featuring 3 leds and daytime hyperflashtrade mode it's designed to grab attention even in full daylight. With 300deg visibility usb c charging and a smart auto save mode its the perfect rear light for urban rides and group spins alike. Features 3 leds with up to 100 lumens highly visible daytime hyperflashtrade mode 300deg side visibility and long rear beam projection opticubetrade lens technology lithium ion rechargeable battery usb c port cable not included four modes constant flashing group ride daytime hyperflash battery auto save switches to flashing when low low battery indicator mode memory function fits aero seatposts with sp 15 snap systemtrade mount