S4A-SBTL series is a swing barrier with a modular design that realizes fast switchingbetween different readers. 

And reader installation can be completed by merelypull-out and plug-in. 

After installing the corresponding readers, S4A-SBTL series cansupport multiple verifcation methods, 

including RFlD, fngerprint, QR code, palmverifcation and visible light facial recognition. 

Especially, palm verifcation andvisible light facial recognition can realize touchless entrance control 

that avoidshands exposing to bacteria and boost public hygienic security.