My new-to-me house didn't include garage door clickers, so needing three of them I went with an app based option rather than installed keypads or buying clickers. EG: http://www.amazon.com/Chamberlain-MY...ilpage_o01_s00

One advantage is you can open and close it remotely, or check its status. One disadvantage is it takes a few more seconds by the time you unlock your phone, open the app and hit the button.