The Uvex Plug-in LED XB039 i-vo / airwing helmet light is a practical light for bicycle helmets in black. The easy-to-install plug-in LED bicycle helmet light ensures maximum safety in road traffic early in the morning or late in the evening. It can be set as either a flashing light or a steady light, and thanks to LED technology, it offers an extremely long lifespan. It is easy to mount and suitable for UVEX bicycle helmets "i-vo," "i-vo c," "i-vo cc," "air wing," "air wing led," "finale Junior led," and "finale Junior.".