There are several ways to lock the Home Connect 620 smart lock. From the outside, Home Connect 620 has a convenient 1-touch locking button (with the brand logo printed on it) on the keypad to easily lock the deadbolt or with a key. From the inside, Home Connect 620 can be locked using the sleek turnpiece. The Home Connect 620 can also be locked from a smartphone when enrolled in a home automation system. Additionally, the lock features Auto Lock which will automatically lock after a preset time delay after it has been unlocked.