The KATO 24-840 Turnout Control Switch is a set of three blue plastic switches designed for use in N scale model train layouts. This two-rail system operates on DC power and features an analog control system, making it suitable for standard gauge model trains. The switches are specifically designed for switch crossing track forms and are compatible with HO model trains. The product offers a convenient way to control the direction of trains on a layout, allowing for realistic and smooth operation.