EGRESS PRESERVER

security product comprising a doorway-mounted optical sensor and doorway-mounted adjustable metal detectors, namely, a pair of metal detector pillars comprising a first metal detector pillar configured to be coupled to a side of a doorway with a back plate and mounting rings and the second metal detector pillar coupled to a door with a back plate and mounting rings that allows the second metal detector pillar to swing inward toward the doorway when in use and outward away from the doorway when unobstructed use of the entire doorway is necessary