· 32 sets of passwords can be set (1 set as the main control and 31 other sets as regular ones; the main control one can add or delete the regular ones);

· Both password and mechanical key can be used; each password consists of 3 to 10 digits;

· Self-lock is activated when password is wrong, meaning when a wrong password is entered consecutively for 4 times, the door will be locked for 5 seconds;

· Sutiable for indoor doors, best substitution for spherical locks.
· Color: Dark chrome