This series of products are using the new 32-bit microcontroller ARM core design with powerful functions. They are very stable and reliable. Itβs a new generation of multi-function access controller, include Reader mode, Single-door mode, Double-doors mode, Interlock mode, Demo mode etc. All of them could be widely used in office buildings, homes, schools, condominium, apartments, flats, single houses, banks, prisons and other places.