... set up threatened alarm and code by themselves.· Access Control: 50 Time Zone, 5Grouping, 10 Combination, support ... output are designed with over-voltage & circuit protection, illegal-dismantle alarm & professional alarm system, voltage control & compliable surveillance system. ... : 5-10cm · Communications: RS232/485, TCP/IP· Access Control Interface: Lock, door sensor, exit button, alarm, Door Bell ...