Cat Eye NANO60 Taillight The compact Nano60 is equipped with the latest Opti Cube lens technology providing daytime visibility. Small enough to forget it's on your bike but always there when you need it. The included SP-14-RA bracket is compatible with modern aero seatposts. Snap System compatibility allows the light to be attached to a wide variety of mounts including our saddle rail and rear rack brackets. Features Compact and lightweight body with 1 LED (60 lm) long rear beam projection highly visible during daytime and Opti Cube lens technology Lithium-ion Polymer rechargeable battery USB-C rechargeable (USB-C cable not included) and low battery indicator Six light modes (High / Low / Flashing / Group Ride / Daytime Hyper Flash 1 / Daytime Hyper Flash 2) mode memory function and Battery Auto Save feature New seat post bracket SP-14-RA fitting aero seat posts up to 130mm outer circumference and Snap System | Cateye | Nano60 Taillight Black