60' Professional Series PIR with Multi-Point Antimask. The ISC-PPR1-WA16x Professional Series PIR Detectors with Anti-mask are exceptionally suited for commercial indoor applications. MANTIS anti-mask technology makes obscuring the detector view nearly impossible for intruders. Sensor data fusion technology ensures that the detector sends alarm conditions based on precise information. Tri-focus optics eliminate coverage gaps and respond efficiently to intruders. The powerful combination of unique features in the Professional Series delivers superior catch performance and virtually eliminates false alarms. 16 m x 21 m (50 ft x 70 ft) standard coverage; 8 m x 10 m (25 ft x 33 ft) selectable short range coverage EN50131-2-2 Grade 3 compliant Sensor data fusion technology Tri-focus optics technology MANTIS anti-mask Active white light suppression Dynamic temperature compensation Remote walk test Alarm memory Draft and insect immunity 2m to 3m (7 ft to 10 ft) mounting height, no adjustments required.