1、Built-in CM miniature limit switch, strong aluminum cast shell, design for water-proof and oil-proof 2、It is the same as CM micro switch in the rated value and characteristics 3、Various of actuators that are taken convenience for using 4、Each switch is equipped with cable fixator, including rubber boot, metallic washer, plastic screw nut 5、Roller Plunger is easier than none roller plunger switch for Air Curtains Door Access