New 4 Pcs Wheel Lights Cap Car Auto Wheel Tire Tyre Air Valve Stem LED Light Cap Cover Accessories For Bike Car Motorcycle Waterproo

Installs on standard tyre air stem valve of cars, motocycles or bicycles. Universal fitment and easy to install no special wires, can be easily installed and removed. Auto sensor turns lamp on when wheel is in motion, it will be turned off after the wheels stopped 10 seconds. If it does not light up under normal conditions, you can adjust the length of the spring to ensure full contact with the battery (not too hard, which may cause the spring to fall off) Be careful when twisting the lamp cap, and make sure that the metal strip in the notch on the side of the lamp cap is in good contact with the metal base (if the metal is too close, you can manually pull it out, but it must be light!).syi