Discover the advanced security of the Protech SDI77XL2D Dual Technology Intrusion Sensor. This vertical barrier sensor combines a stereo doppler microwave detector and a dual element infrared detector, ensuring highly accurate motion detection. It also features balanced temperature compensation, enhancing its reliability in various environmental conditions. Ideal for securing large areas, this sensor provides a protective range of up to 100 feet. Enhance your security system with Protech's precision-engineered technology. Don't wait, secure your premises today!