key press micro switch (1)small gap, (2)instantaneous movement (3)small travel ling (4)Certification:CE,UL, ... CCC,SGS,ISO KWD-2 key press micro switch summaryKW series microswitch is suitable for ... ,For example:Computer mouse ,aut omobile electronic products,communication equipment,war industry product,measuring instrument,fuel gaswaterheater,coal gas stove ,small ...