2 PCS Bike Supplies Neon Strobe LED Tire Valve Caps lights

1. Power Supply:Battery
2. Mounting Placement:Wheel Spokes
3. 2 pack of light-up tire valve caps.(include Batteries)
4. Durable,high inpact,rust resistant
5. Lights with motion sensors
6. Waterproof.
7. The lights turn on when you drive,go off when you stop.
8. Note: for UK style tyre valve / US style tyre valve
9. Flash at night, increasing the safety of driving at night