Pair with a Z Wave smart home or security system like Samsung SmartThings or Ring Alarm to lock and unlock from anywhereHands free voice control requires Z Wave smart home system and compatible voice assistant; Alexa device (sold separately)Easy to install with just a screwdriver; Unique Snap ?n Stay technology snaps the deadbolt onto the door so both hands are free during installation.Keying: 5-pin tumbler, C Keyway, 1 key includedUse the finger print resistant touchscreen to share up to 30 access codes instead of keeping track of spare keys