... :zinc alloy 3.Fingerprint,card,password and mechanical key unlocking 4.Remote is optional Detailed Information: Product ... and burglarproof doorUnlock by Sensor Card, Fingerprint, Password, machinery key(Optional: Remote Control, Remote Phone/Mobile, SMS, Mobile ... Metal Door, Security DoorApplicable Door Thickness: 40-55mm(adjustable)Key Capacity: Card(or password) 69; fingerprint 162Fingerprint process ...