... design, perfect control technology, valued and elegant appearance design Mass Transit Turnstile Specifications - Contains: mechanism, housing, driver board ... 5%-90% - Maintenance Port: 2units - Service Life: 10years, 3millions continuous opening and closing of barrier panel. - Dimension: 1920x300x1040(mm) - ... Protection 10. Prevents unobserved, unauthorised, simultaneous entry. Mass Transit turnstile