A cooking apparatus is disclosed, wherein the cooking apparatus is configured to be converted between an installed configuration in which the cooking apparatus is connected to a complementary support structure and a portable configuration in which the cooking apparatus is not attached to the complementary support structure. An alarm tone is composed of individually spoken words, sentences or with combined alarm tones. Alternatively, a light emitting element is provided with a semiconductor layer including a light emitting layer, and a transparent high-refractive index material layer formed on a light radiation surface of the semiconductor layer. The first and second embellishing surfaces can each include a cutter for cutting the media, or an embossing surface for embossing the media.