BY activenanda
Oct 10, 2017
Security System, Security Systems, Access Control, Electronic Security Systems, Chennai
Door Frame Metal Detectors
DFMD Door Frame Metal Detectors – WALK-THROUGH METAL DETECTORS Imagine a giant metal archway you walk through at some buildings. That’s a door frame metal detector! It’s like an invisible frisbee scanner, but for metal. It uses electricity to sense hidden metal objects, like knives or guns, on people walking by. When it finds metal, […]
READ MORE