Gone are the days of fumbling for keys. Enter your home quickly and securely with just a tap on the ultra-fast fingerprint sensor. Wyze Lock Bolt's exterior is crafted from solid metal for maximum security. Each button on the keypad is backlit for easy viewing at night. With anti-peep technology. you don't have to worry if someone watches you enter your code. Simply add extra digits before or after your code and Wyze Lock Bolt will still unlock. Never worry again about having left your door unlocked. We included an auto-lock timer to take the stress away. Simply set how long you want to delay auto-locking in the Wyze app, and after that time has passed, Wyze Lock Bolt will lock the door for you.