The bicycle lights not only play a good role in warning other people， but also help you understand road conditions or the position of other people. It can be placed on the tail and the seat tube， used as a warning light. The plastic plate of tail light does not light， not only serves as an ornament， but also becomes a reflector， which is composed of many corner reflectors. Fired from any angle of light on its surface， it can reflect light. And the red light is the most eye-catching during the day， and provides a warning to approaching cars. The light can be reflected to the car when the car lights shine on the taillights， no matter the incident direction， and the light intensity is much larger than the general diffuse light， the absolute protection of your security!                                    Features            Popular butterfly style<br>Please notice the place of anode and cathode when install batteries<br>For best performance， do not mix old and new batteries or ones with different types<br>It has 5 LED bulbs which features high bright and stable light， durable in use<br>A good helper for riding， camping and hiking<br>Suitable for 1.57"-5.90"seat post <br>Build in 6 different flashing modes<br>Designed with the waterproof， vibration-resistant and prevent-falling， it can be used in various circumstances<br>The shell is made of plastic which is precise， impressive， lightweight and durable. And it is processed with numerical control machine<br>                                                            Specifications                    Key Features        Warning Bicycle Light      <br>          LEDs        5      <br>          Battery        Powered by 2 AAA alkaline batteries      <br>        Light Color        Red      <br>      Body Material        VYI plastic      <br>        Service Life        100，000 hours       <br>        Size        2.56" x 1.77" x 1.10" (L x W x H)      <br>      Weight        2.0oz      <br>      You can use it for        Suitable for night riding      <br>                                                            Package Includes            1 x 5 LED 6 Mode Bicycle Rear Light Flasher (2*AAA)<br>