说明

• NOTICE: 1 different size,please contact the vendor 2 extra you order,contact me,the extra lower cost could be 3 include:1pcs 12mm/16mm/19mm/22mm push Switch 1 does the sign "NC" and "NO" means? "A" "+": fine pole of the led "LED" " - ": damaging pole of the led " NC ": Normal Close " NO ": Normal Open " C " : Common 2 to connect? 1 " NO " and " C " : The circuit is alway open unless press the button 2 " NC " and " C " : The circuit is alway close unless press the button

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