Cateye Viz 300 USB-C Rear Bike Light

Pumping out an attention-grabbing 300 lumens with OptiCube™ lens technology the versatile ViZ300 stands out with the power of Daytime Hyperflash™ mode and the friendliness of Group Ride mode. Dimension: 25 x 75.5 x 34 mmWeight: 47g (with batteries)Light source：Red LED X3Battery：Li-ion rechargeable batteryRuntime：Constant (30 lumens)：5hrsFlashing: (30 lumens)：45hrsGroup Ride (15 lumens)：10hrsDaytime HyperFlash (300 lumens)：10hrsRecharge time：3hrs (0.5A)Mount size：φ21.5-32mm. Fits up to 130mm outer circumference. (SP-15)Water resistant: IPX4Other: Battery auto save Low battery indicator Light mode memory 3 LEDs (300 lm) Highly visible during daytime 300 degree visibility Long rear beam projection OptiCube™ 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 System™