Main Functions：
1. Auto-reposition function: After card read, passengers don‘t pass within regulated time period, turnstile will be locked automatically
2. Bi-direction passing or uni-direction
3. When power off, arm will be dropped automatically
4. Self-lock function: arm will be locked automatically after passenger passing
5. LED passing arrow can show direction to indicate passenger to pass
6. Standard interfaces are convenient for connection with different readers which can send relay signal
7. RS485 interfaces can connect turnstile with computer directly.
8. Stable running with little noise.