You are Buying a Brand New And Factory Sealed Defiant Square Satin Nickel Smart Hub space Wi-Fi Deadbolt...Wi-fi Electronic Deadbolt. This deadbolt can be unlocked several ways. Remotely (with the Hub space App when utilizing the included smart indoor plug), Bluetooth (with the Hub space App), Digital keypad or a traditional key (2 keys included). Installation is easy with no hardwiring required and only requires a Phillips screwdriver for existing cutouts (Pre-drilled). This unit is ideal for entry doors between 1-3/8 in. - 1-3/4 in. thick.