* RFID card accessCompatible with ORACLE OPERAHMS* Software Based Hotel Door Lock* Suitable door thickness: 38-45mmAnti-panic exit functionCan have multiple guest cards &management cardsDual circuit high frequency readerExclusive robust designLow battery indicatorAlarms when door not closed properlyInvisiblehidden cylinderSafety latch & dead boltHidden screwsSuitable for hotels, offices, residences