Defiant provides security and convenience with the new Wi-fi Electronic Deadbolt. This deadbolt can be unlocked several ways. Remotely (with the Hubspace App when utilizing the included smart indoor plug), Bluetooth (with the Hubspace 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.