Shining charming spark when you are riding your bike.There is no the expensive one but the best for you at Tmart.com! This LED Bike Car Wheel Tyre Flash Light Valve Cap Green is a type of vibrator flashlight with single color and induction， integrates dynamic circuits and light emitting circuit in one. Well designed and easy installation， just screw it into the tire valve stem of your car， bicycles or motorcycle in seconds. It will be beautiful aureole when driving at night， while the effective protection of valve plug and water. <br>                                    Features            New and high quality， never usedIt will flare while car is movingInstalling it on the vehicle′s valveIt have a good waterproof functionEnjoy an amazing halo when you are driving car， riding bicycleThe safety of night riding is guaranteed with this colorful light circleCatch everyone′s eyes by sparking charming light at nightsPerfect for bicycle， motorbike， carsLet the positive side of battery down when install it                                                            Specifications            Key Features    Wheel Tyre Flash Light    <br>Battery    3 x AG10 battery    <br>Function    Waterproof     <br>Body Material    Metal    <br>Body Color    Green    <br>Weight    1.01 oz     <br>Fit for    Fit for bicycle， motorbike， cars    <br>Dimension    2.56" Length    <br>You can use it for    Riding， driving    <br>                                                            Package Includes            10 x LED Bike Car Wheel Tyre Flash Light Valve Cap Green