| Technical Specification | ||
| Color | Symbol | Description |
| Red | VCC | Positive Power Supply |
| Black | GND | GND |
| Green | WD0(DATA) | Wiegand Data 0 output or ABA output |
| White | WD1(CLK) | Wiegand Data 1 output or ABA CLK output |
| Brown | HOLD(CP) | Wiegand hold output or card present in ABA |
| Yellow | SEL | Wiegand/ABA Format option Hang: Wiegand format Connected to GND:ABA format output |
| Blue | LED | The color of LED Changing when connected to GND |
| Gray | BUZ | The buzzer ringing when connected to GND |