1) RoHS, mental, plane /arc button, normal close ,when push open;ON-OFF Momentary-ON,with/ ... without light; 2) 2A,12VDC;T125,5E4; Anti-vandal metal Button Switch 12mm,16mm,19mm in diameter : 1, plane & Arc buttons ... products and the electromotional instruments field etc. Anti-vandal metal Button Switch 12mm,16mm,19mm in diameter