The Nest x Yale Lock is a secure, tamper-proof smart lock for your front door. It has a keypad for keyless entry, so you can lock and unlock the door from anywhere with the Nest app. Plus, give people you trust a passcode and get alerts when they come and go. [1] Mobile notifications and remote control require working internet and Wi-Fi. Notifications are provided for convenience and should not replace ordinary care in locking your door. [2] Some features, including mobile alerts, remote control and custom schedules, require the Nest app, working internet and Wi-Fi, and Nest Connect or Nest Guard. Notifications are provided for convenience and should not replace ordinary care in locking your door.