Color: As shown in the First image. Quantity and size : As shown in the title or description. Led Wheel Light Auto Tire Valve Stem Cap Light Lamp Decoration Features: Product Line: Independent Circuit Design, Composed of the Light Control Circuit, Dynamic Induction Circuit, Light-emitting Circuit Product Power Supply: 3 Sections AG10 Button Battery Product Introduction: The Cool and Delicate Hot Wheels Are Composed of Dynamic Sensing Circuits and Lighting Circuits. The LED Light is Brightly Lit, Independent Circuit Design, No Need to Change or Connect the Circuit Itself. Tighten the Valve on the Tires of Cars and Motorcycles At Night, As Long As the Car Starts to Move, It Will Emit a Charming Aura Along with the Vibration of the Tires At the Same Time, It Has a Waterproof Function, Called Hot Wheels No Need to Change or Connect the Circuit of the Car Itself, Tighten It on the Valve of the Car Wheel Features: Material: Light-alloy compatible with Models: Universal Installation Location: Vehicle Valve The Package Includes: 4 X Wheel Light