TI chip set of low consumption; Strong Zinc Alloy panel; Fingerprint and password unlock; Unlock records; Fire resistance mortise; Optical  sensor water proof dust proof and scratch proof; 4 AA batteries use for more than 8000 times; 9V Emergency battery; Musical buzzer; Backup mechanical key; 80 Fingerprints and 80 password; Finish: Satin chrome plate and Coffee gold.