Place the Lockitron over existing deadbolt, and connect to phone; use phone to lock or unlock door from anywhere. Fits on inside of the door. Device has Bluetooth; walk up to door, and it automatically unlocks.
Peter Hauser is raising funds for cookoo™ - the watch for the connected generation on Kickstarter! Stay connected anytime, anywhere with the cookoo watch—the wearable extension of your smartphone that helps manage your connected life.