The tire valve light has self-contained adapter, which can be easily installed and removed. The tire valve light has bright LED design, which can increase night-time and bad weather visibility for safety riding. Made of high quality plastic, it is durable and sturdy. There are 4 sizes and colors for you to choose from red, blue, yellow and green. It is suitable for bike, motor, car, outdoor and daily use. Item Name: Tire Valve Light Material:Plastic Size: Red: 7.4cmx5.7cmx1.7cm/2.91inx2.24inx0.67in Blue: 8.3cmx5.9cmx1.7cm/3.27inx2.32inx0.67in Yellow: 7.8cmx5.8cmx1.7cm/3.07inx2.28inx0.67in Green: 8.4cmx5.8cmx1.7cm/3.31inx2.28inx0.67in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Tire Valve Light