Installation and operation are very easy
 WIEGAND output interface
 Built-in antenna sensing distance 3cm above
 2 line 7 (15) word (English) text display, including the backlight, you can display a message card
 Built-in buzzer, with voice prompts
 Group 2 serial ports RS232X2 transmission or communication interface RS232X1RS485X1
 12-key standard keyboard keys
 Built-in lithium battery duration (RTC)
 Two-color LED indicator
 Keyboard backlight control function with calendar clock function
 With WATCHDOG function as a self-restoring function machine
 Vandal infrared detection circuit
 Cards can be induced or induction card + password function
 Deputy heads can be connected
 Online updates with ISP