1. Three independent unlocking methods: Password, card and mechanical key.
2. Combined unlocking methods: Mifare card Password.
3. Color: silver/black/ red bronze
4. 200 pieces of guest cards and 2 master cards available.
6. 50 sets of opening passwords and 1 set master passwords.
7. Reset function to ensure the safety of the lock in case losing of cards or keys.​
8. Stay-open settings: ：3 7 press unlock the key. (This will set the door in open status)

 

Advantages:
 
1. Unlock with passcode and cards. 
Support Maximum 1 Master card, 200 user cards
              Maximum 1 Master passcode, 50 user passcode.
2. Universal for Right or Left direction and Push or Pull opening
3. Safe handle design to protect any break-in attempt and pass 300 thousand time test.
4. Privacy Deadbolt inside the door to make sure double security.
5. Powered by 4 pieces 1.5V Alkaline batteries, which can be lasted for about 1 year.
Note: You will hear an alarm once your batteries are lower than 4.8 V to remind you to replace the batteries