This device is perfect for outdoor locations since it has two PIRs which drastically lowers the chances of false alarms going off due to disturbances caused by small animals, passing cars or natural occurances like the wind.
Easy wiring and a 90° wide angle detection pattern with 180° aiming are significant advantages that VX-402 brings to outdoor security. The VX-402 also includes temperature compensation circuitry, high RFI and Sunlight immunity, Form C relay, adjustable photocell, sequential logic circuit, and many other features for quality outdoor performance.