In order to respond to difffferent market needs, all barrier turnstiles based on difffferent verifification methods need to be stocked in warehouse because switching among verifification methods requires additional processing onthe product, thus, huge inventory and processing cost will be incurred. For overcoming above issue, modularized structure design is used in SBTL series to integrate the reader, conversion board and top cover into one modular reader panel, the installation and disassembling are only about pulling the plug and no drilling is needed. Benefifited from this revolutionary design, one SBTL8000 can adopt various types of verifification method which relieves inventory pressure from stocking up every types of barrier turnstile.