The Protech SDI77XL2D Dual Technology Intrusion Sensor offers highly reliable security with its combination of stereo Doppler microwave detection and dual element infrared sensing. Designed for vertical barrier applications, it efficiently monitors an area with a range of 100 feet by 10 feet. This sensor features balanced temperature compensation to maintain accurate performance under varying environmental conditions. Ideal for enhancing your security setup, the Protech SDI77XL2D brings advanced detection technology to safeguard your premises. Don't miss the chance to upgrade your protection, order now!