Swansea has one or more consumer electronics stores. They are electronic items used on an everyday basis, usually for entertainment, communications and office productivity. The twentieth century has seen an explosion in the field of consumer electronics, with a number of goods easily available, such as laptops, washing machines, television sets, music players, cameras and so on. Most of them are manufactured by more than one brand, and there are many specifications available. Stores may be featuring one brand of goods, or be a multi-brand retail outlets. They often also have sales during which the prices are marked down; you would be wise to wait for these. These stores in Swansea may also provide design services, hardware, installation services, custom programming and post installation services. These services may be free of cost, with the goods, or may have a separate, usually nominal charge. Most recently manufactured electronic items also have green certification, which may be an environmentally responsible choice to make.