CatEye: The CatEye ViZ100 is a compact, bright rear light designed for all-day visibility with a budget-friendly edge. Equipped with 3 LEDs delivering up to 100 lumens and featuring Daytime HyperflashTM mode, it ensures you get noticed even in daylight. Its 300 side visibility and long rear beam projection make it ideal for urban commuting and group rides. USB-C rechargeable with smart battery-saving features, it mounts easily to aero seatposts using the SP-15 Snap SystemTM. Features 3 high-brightness LEDs with 100 lumens output Daytime HyperflashTM mode for enhanced daytime visibility 300 side visibility and extended rear beam projection OptiCubeTM lens technology maximizes light spread Rechargeable lithium-ion battery with USB-C charging (cable not included) Four lighting modes: Constant, Flashing, Group Ride, Daytime Hyperflash Battery auto-save switches to flashing when power is low Low battery indicator and mode memory function Fits aero seatposts via SP-15 Snap SystemTM mount SPECIFICATIONS Light Output: Up to 100 lumens Visibility: 300 side visibility Battery: Rechargeable lithium-ion, USB-C charging Modes: Constant, Flashing, Group Ride, Daytime Hyperflash