Features  Long-life performance, high operation dependability and fast response.  The whole system runs smoothly, low noise, no mechanical impact.  Single directional or Bi-directional is selectable.  Automatic reset function: turnstile arm will lock automatically within 5s (can be setting) if passenger delay to entry.  When power is off, arms will drop down automatically, which is complying with fire safety requirements.  LED indicator ((red × means no entry; green → means entry).  Easy to install and maintain.