<p> The AML22CBF2AA push button switch from Honeywell are identical to AML21 switches but come furnished with high efficiency LED display. Push button Switches or biased switches work on simple electric switch mechanism. Push-button Switches are a type of momentary switch in which the user push-for "on" or push-for "off" to control some aspect of a machine or a process. The buttons are usually made of metal or plastic and deliver instant response. </p> <p> This AML22CBF2AA Honeywell push button features square pushbutton switch housing with one red LED of 24V and a black bezel. It has solder or quick-connect terminals, 1-pole, double-throw silver contacts and provides momentary action. A push button switch is used in a variety of mechanical and electronic devices including home and commercial appliances. </p>