Hikvision DS-K3B801BX 24 pairs of infrared sensors, 30 – 60 passage frequency, 550 mm –

24 pairs of infrared sensors, 30 – 60 passage frequency, 550 mm – 1100mm lane width, SUS304 stainless steel,thickness:2.0mm, Unauthorized personnel intrusion alarm Anti-trailing control ,anti-pinch function, Anti-collision function, Fail safe for emergency situation, Use for indoor only;