USB Rechargeable: Runs up to 35 hours and charges in just 2.5 hours with the included micro USB cable; Low battery indicator lights up when it's under 20% battery so you're never left in the dark
2 light modes: Ride any time of day with 2 light modes (Constant / Flashing), and mode memory function that retains the last mode used on your ride.
100 lumen daytime safety light: 3 LEDs with OptiCube lens technology and 100 Lumen Daytime Hyperflash for maximum visibility.
Be seen at a distance: Long rear beam projection technology greatly increases the effective visibility range, giving motorists more time to react.