• 12 numeric keypad, 1 bicolor LED (green and red) and Buzzer indicator. • Bell output. (optional) • Support software. (701 Server 6.22 & 701 Client Ver6.28) • Unlimted Site Code. • 11 Sets of Time Zone. • Different time zone for each user. • Up to 120 holiday that can be set in a year staring from the editing date. • Keypad will be locked for 30 seconds while continuous error operation. • Built-in watchdog to prevent the system halting. • Support door relay auto-relock Function. • One RS-485 Port Supported for networking (via controller or directly). • Built-in a reader and an external reader port for exit or anti-pass-back function. • Support with keypad locks immd & all cards entrance allowance before cards editing finished. • Control mode, card capacity and card type assignable by user directly. • Built-in a proximity reader, a external wiegand reader port and IC card reader. (optional) • Auto-discriminating between stand-along & networking system, AR-721H could connect with controller AT-716EV2 ,AR-716Ei to have multi-door anti-pass back. • Alarm function is available (tamper, Force entrance , door open too long). • Door unlock time setting, latched-on / latched-off or momentary 0.1-600 seconds. • Press * + # to lock / unlock keypad. • Press 0 + # for all cards entrance allowance • Providing proximity card flash edit mode for easy & quick setting. • Integrates any brand, any frequency of Wiegand reader with SOYAL or other access. • Built-in open door relay, alarm relay and request or exit button input.