Easy to install. Mounts to any bike quickly and easily.
Safety guaranteed: The red light can be used for safety and warning.
Rechargeable. A 630mA lithium-battery and a USB cable is included. No battery replacement.
5 Light modes: Steady on with 4 LEDs, quick flash with 4 LEDs, steady on with 2 HD LEDs, wave flash with 4 LEDs, and slow flash with 2HD LEDs
Long runtime: Lasting up to 4 hours (steady-on mode) or 13-14 hours (quick flash with 4 LEDs mode) on a single charge.