* Superior outdoor detection, with virtually no false alarms
* Fully wireless, ideal for difficult installations, works with Visonic's PowerMax home security and safety system
* The TOWER-20AM MCW features the revolutionary Octa-PIR technology, which uses eight PIR sensors (compared to only one used in other outdoor detectors), with each sensor acting as a QUAD detector, to accurately determine whether an alarm is justified
* Vandal-resistant design, enabled by patented V-Slot technology, delivers unprecedented resistance to environmental interference and vandalism
* Obsidian Black Mirror technology provides extremely high immunity to white light 
* Adaptive active IR provides complete anti-masking protection – patented
* Patented, market-leading elliptical optics provide longer range along with excellent detection sensitivity and false alarm immunity