... micro switch :1).button2).All kinds of form movable arm3).Roller movable armE). The authentication of omron micro switch :UL ... travel characteristics.2).Long life3).Various terminal4).Various forms of movable arm5).Applied in household appliances, audio and video equipment ... than1,000,000 time;electricalmore than10,000timeQualityabout 0.6gNo movable arm typeSecurity certificationUL,CUL,TUV,CE,EK,CQC H ...