The D2FS-FL-N-A1 is a product manufactured by Omron that is part of their D2FS series of momentary switching sub-miniature snap action switches. This series of switches has a wide range of application, but generally is used in communications, automotive and industrial control equipment. This particular model is a 5A rated switch and comes with an illuminated fluorescent light and a narrow plunger. The switch also features a STANDARD actuation force (250-400gf). It has an operating temperature range of -25°C to +85°C, a mechanical life of over 5 million operations, and a robust construction and design that stands up to harsh environments.