The VXI series is Optex best selling outdoor intrusion detection sensor range. VXI-ST provides a very reliable approach detection with a range of up to 12m for residential and commercial applications. The sensor which should be mounted at ca 1.2m height includes two PIRs providing a double layered detection area, the sensor will only trigger when both layers are activated. The VXI sensors are animal tolerant and feature digital analysis to exclude cause of false alarm. The VXI-ST is the standard hardwired model.