Upgrade to a more convenient and keyless entry deadbolt with Premis. Now compatible with Apple HomeKit Premis allows users to unlock and lock their door remotely or using Siri voice controls. Premis allows the user to always be in the know by checking lock activity and status, managing user codes and monitoring battery life. Also compatible with other Apple HomeKit devices Secured keyless entry convenience controlled directly from your smartphone Remote access control with your Apple TV (3rd generation or later) Holds up to 30 unique user codes that can be time managed Compatible Devices: Premis is compatible with iPhone, iPad, iPod touch with iOS 9 or higher, and Apple Watch running watchOS 2.0 and higher DIY Installation: Premis installs in minutes with no hard wiring required a Phillips head screwdriver, four AA batteries and a ruler are all that's needed to install the deadbolt BHMA grade 2 certified deadbolt with Weiser Advanced SmartKey® technically