Lock and unlock your home without the hassle of keys - enter your 4-8 digit entry code on the touchscreen keypad, use the Apple Home app or simply ask Siri! You'll never need to share a key again, simply create unique entry codes for friends and family and manage them within the Yale Secure app. The lock fits standard doors 1 3/4 inch to 2 1/4 inch thick with face bore holes of 2 1/8 inch and can be installed with just a screwdriver. Features a BHMA Grade 2 certified deadbolt that's fully motorized and super quiet. The free BILT app walks you through installing your lock.