The Optex HX-40 is a hardwired PIR sensor designed for outdoor volumetric intrusion detection up to 12m, mounted at a height of 2.5 to 3 meters. Ideal for protecting building approaches, it features advanced temperature compensation logic and adjustable detection range. With animal tolerance technology, the HX-40 reduces false alarms by distinguishing between humans and small to medium-sized animals, ensuring reliable security.