This bicycle warning light is a necessary tool for you when cycling on the road.
The red or white light illuminating in this item can be easily seen by other drivers or passers-by from afar.
Red light is the best warm color using the frog environment. With this lamp, you will be safer when you are cycling day and night.

240 ° wide light angle, can be seen easily by other car drivers.
Fix it on your front support bar, you will also warn passers-by
Quick and easy installation, waterproof.
Stable about 50 hours, flash about 150 hours.
Modes: fast flashing, slow flashing, stable
Material: aluminum alloy + silicone
Powered by: 2 x CR2032 battery (included)
Suitable for tube diameter: 20-40mm

The pack includes
1 x LED rear light bike
2 x CR2032 20 * 2MM 3V Battery

Note: for long battery life, the light may not turn on, if this happens, you can change two batteries to turn it on