CAETLE&reg; 2Pcs Aluminium material Blue LED Flash Tyre Wheel Valve Cap Light Patent product for Car Bike bicycle Motorbicycle Wheel Light Tyre Light Material:Aluminium material+ Plastic Light Color:Blue ,Cap Color: Silver More energy-efficient,with light & motion sensors Durable, High Impact, Rust Resistant 2*LED Flash light(included).6 x AG10 Batteries included