A pneumatic tire is provided in the outer surface of each sidewall portion with a serrated zone formed by a number of serration grooves extending at an angle of at most 45 degrees with respect to the tire radial direction. The adapter includes a plurality of function hierarchies, with each function hierarchy including a plurality of functions and each function being associated with an event. In the second region, a reflective layer is provided over the light-transmitting substrate, a second heat-insulating layer is provided over the reflective layer, and a second organic compound-containing layer is provided over the second heat-insulating layer. The light-emitting chip is placed on one of the electrically conductive layers or crossing over the flexible insulating layer.