LED Ventilkappen Auto Motorrad – Wasserdicht, Automatisches BlinkenDarkness makes driving unsafe, especially in bad weather. These LED valve caps provide better visibility and increased safety at night. You will love Automatic Activation Flashes only when the wheels are moving, stays off during the day and when parked Waterproof Design Tested to withstand rain and harsh weather Easy Installation Screws directly onto the valve, no wiring or modifications needed Bright LED Ring Creates a glowing halo effect around the