BenRan Ultra Bright Headlight Taillight for Bicycle Includes a front light with 5 ultra bright white LEDs and a taillight with 3 LEDs Front light powered by 4 * AAA batteries, taillight powered by 2 * AAA batteries (NOT included) Multi-function front light: bike front light or torch Front light's ON / OFF switch with 3 modes: steady light and flash; Taillight's ON / OFF switch with 3 modes Weather resistant, easy installation, no tool required. Mail contact us, there are any problems within 6 months, we will give you a free new light ! November 2016 07 notice, thank you for your choice !