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. 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， never usedAutomatical flaring light Installing it on the vehicle’s valveIt will flare while car is movingWith good waterproof functionPowered by 3pcs AG10 batteriesEnjoy a amazing halo when you are driving car， riding bicycleFit for bicycle， motorbike， cars                                                            Specifications            Material    Metal    <br>Size    Longth 2.44inch    <br>Light Color    Blue    <br>Weight    14g    <br>                                                            Package Includes            1 x Bicycle Glo-Sticks Hot Wheels Valve Lamp