Description:The Cool and Delicate Hot Wheels Are Composed of Dynamic Sensing Circuits and Lighting Circuits The LED Light is ightly Lit, Independent Circuit Design No Need to Change or Connect the Circuit of the Car Itself, Tighten It on the Valve of the Car Wheel At Night, As Long As the Car Starts to Move, It Will Emit a Charming Aura Along with the Vi ation of the Tires At the Same Time, It Has a Waterproof Function, Called a Hot Wheels Lights With Motion Sensors Turn On When You Drive, Go Off When You Stop Features:-When you stop it will switch off to save battery power-Make your Car/Motorbike/Bike looks beautiful-Increases nighttime and bad weather visibility for safety- ing more enjoyment to your driveSpecifications:Color: Red / Blue / Green/ MulticoloredMaterial: Alloy, PVCPower Supply: 3 Sections AG10 Button BatteriesPackage Included:1/4/8pcs Car Bike Wheel LED Tire Valve Cap LightNotice:1 Actual Color May Be Slightly Different From The Image Due To Different Monitor And Light Effect 2 Please Allow 1-3cm Deviation Due To Manual MeasurementProducts from NIUNIU's store