1, Maximum of 4,**0 cards. Each card is able to set its time zones
for access.
2, Networking or stand-alone operation. Maximum of *0,**0 records
of data when it is stand-alone. Unlimited records of data when it
is networking. Detailed information of each card at the time is
recorded.
3, Only one Fingerprint is needed for register function when
several units are connected. The remaining units are able to set
user
