 Newest technological offerings in optical turnstiles include climb over detection software, biometrics and QR code reader integrations inside the cabinet, and built-in elevator destination dispatch screens often at 45 degree angle.Manufacturers can state their product reliability in terms of MCBF (Mean Cycles Between Failure) or in terms of warranties - usually between 1 and 5 years.Following the global COVID-19 crisis, new hygiene oriented credentialing integrations became the focus for pedestrian entrance control manufacturers.