N: after card read, passenger not pass within regulated time period, full-height turnstile will cancel this passing right. And the regulated time period for passing can be set by managers. 6. If passenger pass without card read or valid card read, flap barrier will alarm untill passenger get back from the flap barrier and then take a valid card to be read for passing. 7. Swing barrier is with 485 interface for long-distrance control concern. 8. Anti-rush function: if there is no open single, arm will be holding tightly. 9. Double anti-clipping function: photocell anti-clipping and mechanical anti-clipping.When passenger is going through the swing barrier, photocell will detect out this situation and will not close. After passenger passed, arm will close automatically. During its reposition, if arm meets any obstacle, arm will get back automatcially or stop working for a while with very slight force. Also it will alarm. 10. Swing barrier is with standard electrical interface for the integration of various readers and writers. 11. Swing barrier can count how many passenger has passed and will show it in the led display. 12. Direction display to guide passenger which direction is to go. 13. Card-reading with memory or without memory function. 14. Swing barrier can control the population inside in the control of software. 15. Stable running with little noise. Swing turnstile package in standard export carton. But we strongly suggest pack goods in wooden cage to protect the products. 2pcs*75kg, 2pcs*1350*400*1100mm