Button Switch:1) RoHS, mental, plane /arc button, normal close ,when push open;ON-OFF Momentary-ON,with light; 2) 2A,12VDC;T125 22mm Metal Antivandal Push Button Switch with ... LED : 1, plane & Arc buttons;2, ON-OFF,momentary-on;3,normal close, when push open;4, ... and the electromotional instruments field etc. 22mm Metal Antivandal Push Button Switch with LED