Schlage 650 Series keyswitches utilize an innovative magnetic spring design which allows installers to configure both clockwise and counterclockwise key turn direction as well as momentary or maintained action in seconds. Single gang and narrow stiles are available with numerous options which include heavy-duty plate, weather resistant cover (single gang size only), 2 LED lights - green/ red, anti-tamper switch and Schlage Everest cylinder. in addition to the standard (630) satin stainless steel finish, there are three additional architectural finishes to choose from.