Yale - Real Living Assure Smart Lock Replacement Deadbolt with App/Keypad/Electronic Guest Key Access - Satin Nickel

Works with most Bluetooth-enabled and Wi-Fi-enabled devices; fits doors with 13.7" to 20" thickness; key, electronic and biometric lock/unlock mechanism; auto lock; Amazon Alexa compatible; controlled via smartphone; safety lockout; battery backup; left/right mounting; Google Assistant compatible

Lock and unlock the deadbolt using your cell phone, smart device or keypad. To lock or unlock the interior, simply use your device or the standard thumb turn. It has the versatility of keyless operation while still retaining the functionality of keypad entry and is a great addition to any smart home. It's perfect for front doors, side or back doors, and garage entry doors.