- Anti-lock knob
a knob on the back plate controls the deadbolt, supply one more secure for you and your family

- Voice prompt and English system
system language is available for Chinese and English. Voice prompt can choosed to turn on or off

- LCD screen
simple and clear operation prompt. Record query by time or order

- Multi modes
safer mode which unlock must verify by two methods (e.g. fingerprint+code or fingerprint+card). 
unlock status, set for opening the door without any passwords or fingerprints or cards. 

- Alarm warning
wrong password/fingerprint/card 5 times, Keypad and sensor area will be locked for 5 minutes

- Low battery alarm
when battery voltage lower than 4.8v, it will make alert everytime unlock. Meanwhile it can still work for about 50 times 

- Code Scrambling Technology
add any digits before or after the right password, the system can still recognize and unlock

- Mechanical key override
in case of the worst operate situation, a mechanical key override can prevent been locked outside

- Tasteful classic design
aerodynamic design, more noble and elegant. Surface polishing and electroplating treatment