The Yale YRD226-ZW2-619 Zwave deadbolt lock looks great, are built with your security in mind, and let you put away your key in favour of easy-to-use numeric codes to unlock your doors. Can be used for new installations or as an upgrade to existing deadbolt hardware and is Grade 2 certified so you know it's built tough. The touch screen adds a touch of class and a sharper look compared to push button keyless locks. Without being connected to an automation controller, this lock supports up to 25 individual user codes. Add a Zwave automation controller and take advantage of enhanced functionality including: up to 250 entry codes, remote code management, remote lock, unlock and status confirmation ,and email or SMS alerts when the door is unlocked, battery is low or a bad code is entered. Comes with installation guide, mounting screws, door template, 4 AA batteries and 2 keys.