Compact, bright, and versatile, the ViZ150 stands out with high visibility from OptiCube(TM) lens technology and Daytime HyperFlash(TM) mode in an economical package. - 3 LEDs (150 lm) - Highly visible during daytime - 300 degree visibility - Long rear beam projection - OptiCube(TM) 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.) - Seat post bracket SP-15 which fits contemporary (kammtail) aero seatpost - Snap System(TM)