The FTN series provides short range curtain detection that can be adjusted with switchable lenses up to 2m or up to 5m depending on which detection range is ideal to protect various front doors, windows and balconies.The FTN-ST is a hardwired model which features Super Multi Dimension Analysis (SMDA) logic for ultimate sensitivity optimisation. Every motion is analyzed before signaling an alarm to reduce false alarms. As a result environment reaction capability becomes 24 times more effective. The FTN-ST is a great addition to your over residential home security systems or commercial security systems.