◎ Supporting WG port for anti-pass-back function

◎ Selectable working frequencies: 125kHz

◎ User capacity: 16,000; Event log: 32,000

◎ 3 access modes: Card only, Card or PIN, Card and PIN

◎ Built-in Watchdog to prevent system from abnormal end

◎ Built-in Real Time Clock & Anti-Tamper functions

◎ Including the input of door contact, offering the alarm system when door is opened too long or forced to open

◎ Built-in Dual-Output: Door Lock(support Security trigger signal)/ Alarm

◎ 11 sets of Time Zone for various accessing in network

◎ 2 sets of Auto-Open Zone editable by stand-alone operation

◎ Intelligent switch function, AR-331E will switch to stand-alone or networking mode according to the system connection smartly

◎ Auto-lock of the keypad for 30 seconds after continuous failed operation by 3 times

◎ AR-331E with software provides further applications such as access control, time attendance, payroll and image-monitor

◎ Flexible to integrate with other equipment

◎ Illuminative Keys, 2 LED and 1 beeper for identification

◎ Use the illuminated Touch-panel for keypad, bring the new trend for access control.

◎ Metal Housing, fashion and the safety design.

◎ Narrow body design, suitable for installation in space limited areas.