Red light push button“up” “close”with cable good quality elevator push button

Red light push button“up” “close”with cable good quality elevator push button Describe the process of taking the lift, it should be: to determine the goal of the floor, looking for a floor Numbers, corresponding numeric button operation, confirm the operation is successful, confirm reached the target floor, floor Numbers are throughout a clue 1.Push button always at the bottom of the silver 2.words color any is ok,this type is red color 3.The shape of the button you can