This is a low price & multiple function access control system, which can expand to
Connect one card reader and control one door unit. It also equipped with four types
of inputs, two types of outputs, and two �CALL� function keys, which are programmable
I/O access points. It could be used as the controller for door access, parking lot
access, elevator access and other use. The build-in functions also include two
section�s anti-theft and emergency control, which can work with alarm system for arm
and disarm.