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 installationUse the finger print resistant touchscreen to share up to 30 access codes instead of keeping track of spare keys. Interior Dimensions: 3 x 8 x 2 inches
