Brand New Motherboard External Start Computer Switch On/Off Button Extension Cable PC Power Button Mechanical Switch External Desktop PC Power Switch:This button is made of keyclick of mechanical keyboard, keystroke sounds crisp and loud, durable and reliable for more than1,000,000 times, It is recommended for home users, computer rooms, bare board machines, water-cooled chassis DIY, etc. Easy to install by Magnet and Sticker: Please check the installation instructions on product description. Just connect the POWER LED+, POWER LED-, POWER SW connectors with motherboard and stick the adhesive plate or use the magnet on the right place. DIY your own Key Caps: The Cap of the pc button is removable, you can replace the cap to your DIY caps easily (+ type of key caps will be compatible), extra caps are not included. Put the PC Power Button in the right place: If the case is placed in a hard-to-reach place, use this switch to lead to a place where it is convenient to operate