IS9D sensor switch can detect the infrared Rays released by human body motion within theDetection area, then start the load-light automatically. This unit is suitable for outdoor use.
This PIR Sensor has an extra feature of manual override. IS9D has a longer detection range and wider angle, it is better for security use.
Many customers like to install the IS9D in the garden, because it has an overridden function. IS9D can load higher watts, so the sensor is suitable for outdoor.