Kev faib tawm ntawm Illuminated Tact Hloov

①　It's consist of normally open or normally closed,as for the tact switch,the normally open's function is connect the circuit when you actuation the force to the normally contact;if you withdraw the force,it back to the original normally closed contact,this is break.we'll use our hand to operation the action.

②　When you withdrawing the force,the tact switch's circuit will close,the break and connect depends on the metal dome from the illuminated led tact switch,the metal dome will protect the tactile button.

When you press to the relative travel,there has the click feedback,so it's a nice audible led tact switch choice.