<p>The AML51-C10W Electronic Switch Accessory from Honeywell features polycarbonate construction for ruggedness and durability. Switch accessories enable contacts in an electrical circuit. They act as a physical interface between the electrical system and the real world. Honeywell's AML51 series buttons/lens are designed for use with switches and indicators and are easy to install. </p> <p> The Honeywell AML51 series buttons come in square and rectangular shapes and in a variety of colors including red, yellow, green, blue, and more. These switch accessories have an attractive appearance and are used in a variety of applications such as manual operations, including control boards and panels in industrial and test equipment, computer mainframes and peripherals, process control and medical instrumentation.</p>