This kind of LED Light for Bicycle gives you the excellent brightness in the dark or in strong backlighting with this long-lasting LEDs that features color balance surface. The LED light fits easily on to your bike and give you extra safety while cycling at night. The lamp holder side is transparent with aura， which can shine and make cycling more secure and smooth. You don’t need to worry about in the rainy day for its waterproof features.                                    Features             New and high quality<br> Easy installation<br> With waterproof design<br> Lamp holder side is transparent with aura. It can shine and make Cycling more security<br> Directly to the card slot on the wire can be installed successfully.<br> Streamline shape， stylish appearance<br> Fixed seat easy for dismantled<br> Anti-reflection optical glass lens， scratch resistant<br> Low heat generating， no UV or IR light radiation<br> Energy-saving and environmentally friendly， high brightness<br> Seismic， impact resistance， non-thermal radiation， safe and stable， reliable<br>If the lamp cannot be fixed， insert the rubber pad<br>                                                            Specifications            LED Number    1LED    <br>Materials    Silicone    <br>Battery    1 x CR2032 Button cell / 2 x CR2016 Button cell (not included)    <br>Light Color    Colorful    <br>Dimensions    13 x 3.5 x 2.2cm / 5.12" x 1.38" x 0.87" (L x W x H)    <br>Weight    38g / 1.34oz    <br>Mode    3    <br>                                                            Package Includes            1 x Bicycle Light