- Selectable working frequencies: 125kHz (AR-723HB) / 13.56MHz (AR-723HD)
- User capacity: 1,024; Event log: 1,200
- Built-in Watchdog to prevent system from hanging
- Including the input of door contact, offering the alarm system of both door opening too long and being forced to open
- Built-in Multi-Output: Door Lock/ Alarm/ Security trigger signal
- 1 bi-color LED and 1 beeper for identification
- Have the "MASTER CARD" functions, convenient operation
- Small and short