Features:
1) Proximity card controller used in access control
2) Add/ delete card by supervisor card or computer
3) Can download/ upload card information by computer
4) Set address....

Features:
1) With English menu and proximity card controller
2) 485 BUS for network
3) LCD display
4) English/ Chinese display switchable
5) Phone No. can be coded flexibly
6) ....

Features:
1) Monitor, unlock, and call the guard unit
2) Communication with door phone and guard unit
3) Easy fixed
Specifications:
1) Work voltage: DC 18V
2) Work current: d500mA....

Features: 1) Includes one door station and one video door phone to enable the household to view and talk to the visitor

Features:
1) With English menu display
2) RS 485 BUS
3) LCD display
4) English/ Chinese display switchable
5) 2 levels security passwords keep the safety of system
6) All-in-one....