Hikvision DS-K3B411BX 6 pairs of infrared sensors, 20 – 60 passage frequency, 550 mm –

6 pairs of infrared sensors, 20 – 60 passage frequency, 550 mm – 1100mm lane width, SUS304 stainless steel,thickness:1.2mm, Unauthorized personnel intrusion alarm Anti-trailing control ,anti-pinch function, Anti-collision function, Fail safe for emergency situation, 5ports Net-switch not included, door will automatic open when power off, Use for indoor and outdoor;