Specifications: Enjoy driving with this eye-catching colourful LED car tire light. This valve cap LED light increases nighttime and bad weather visibility for enhanced safety. Can be installed on the tire of cars, motorcycles and bicycles. Create a flashing and eye-catching ring around your tire. Easy to install, no special wires required. The valve caps will flash when your car is moving and it will turn off automatically when the car stops. Item Name: Valve Cap Light Material: Metal Battery: 3 x AG10 Button Batteries(Included) Features: Flashing, Colourful, Decoration, Safety, Easy Installation Size(L x D): 5.2cm x 0.8cm(The Screw Diameter)/2.05" x 0.31" (Approx.) Notes: Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Valve Cap Light