The ParaREX Directional Mass Detection Switch delivers penetration-free access control using advanced 60 GHz radar. With programmable sensing from 3–13 ft, it detects mass size for precise activation. Ceiling or transom mountable, it features Single/Multi-I/O, LED/Piezo timers, and door contact supervision. The Multi-I/O model integrates seamlessly with access control, alarms, and cameras. ParaREX is the high-performance REX solution for secure, reliable facility protection.