Upgrade your door with the Assure Lock SL, a touchscreen deadbolt for key-free entry. The lock is HomeKit-enabled so it allows you to lock or unlock and share access all from your Yale Secure app. Assure Lock also features optional Auto Relock so it will even lock itself once the door is closed. Plus, you can lock or check current status just by asking Siri. The lock is 100% key free, meaning it's tamper-proof and there're no keys to lend or lose. It features a backlit touchscreen keypad so even when you don't have your phone, you can unlock your door without the hassle of keys. The Assure Lock is super easy to use and installs in minutes with just a screwdriver on standard doors (1-3/8" to 2-1/4" thick). And it sleek and slim design fits seamlessly into the decor of your home, and adds a sophisticated look to your door.