AC-OPIR. The Yale AC-OPIR is an outdoor PIR motion detector accessory for the Yale Sync alarm range and is IP66 rated for weather resistance. Perfect for detecting movement outside your home this wireless sync smart home accessory is simple to fit and utilises passive infrared technology. To help prevent triggering by pets the outdoor motion detector features three levels of pet immunity: Low (60kg/132lbs), Medium (40kg/88lbs) and High (30kg/66lbs). Also there is automatic temperature compensated sensitivity control and a built in tamper switch which alerts directly via your smartphone and the Yale Access app in the event of interference with the PIR.. IP66 rated. Automatic temperature compensated sensitivity control. Three levels of pet immunity. Tamper alert