DS-K3B220LX-L Турникет Стеклянный Бюджетный левая сторона

4 pairs of IR light detectors: Permissions validation and anti-tailgating. LED light indicates passing direction. Valid passing duration settings: System will cancel the passing permission if a person

• 4 pairs of IR light detectors: Permissions validation and anti-tailgating
• LED light indicates passing direction
• Valid passing duration settings: System will cancel the passing permission if a person does not pass through the lane
• within the valid passing duration
• Door remaining open when fire alarm triggered: The door wings will be free status
• Without built-in access control board and card readers (optional)