The Optex HX-80NRAM is a battery-powered PIR sensor designed for narrow volumetric outdoor intrusion detection up to 24m, mounted between 2.5 and 3 meters high. Ideal for protecting alleyways, fence lines, or building approaches, it features active infrared anti-masking to reduce false alarms. The HX-80NRAM offers adjustable detection range, animal tolerance, and digital analysis for reliable and accurate performance in various environments.