IMPROVE SAFETY - Flash LED tire valve cap lights can increase visibility at night and in bad weather in all directions to make you and your loved ones safer and add more joy to your ride.

WATERPROOF AND DURABLE - This pneumatic tire valve was entirely made of premium plastic material, qualified, no toxic chemicals, no bad smell. You don't have to worry about cycling on rainy or snowy days. Quality construction built to last, so you can use it for a long time. But please do not immerse these cool bike tire lights in water!

EASY TO INSTALL - No tools needed, seconds to install or remove. Installs on standard tire air valves of cars, motorcycles or bicycles. Unscrew the light before use and remove the middle insulating disc. if it still doesn't work, you need to put them on the valve stem and ride, it will emit a fascinating aura with the vibrations from the tires.

APPLICATION - Suitable for Schrader valve and Dunlop valve, cars, motorcycles, electric cars, bicycles. Does not fit Presta valve unless you put an adapter. When your wheel starts to move, it automatically flashes and forms a light aperture that makes your car/motorcycle/bicycle beautiful.

PACKAGE INCLUDES - 4 x LED bicycle wheel tire valve lights super cool lights, with extra batteries. The compact size allows for quick and easy storage, it is the perfect gift for kids, children, boys, girls, teenagers, adults of all ages on birthday, Christmas. Use it in bike/motorcycle/car parades, social rides etc.