Franklin Sensors, Professional Stud Finders.
Makes damn good sense to visually see with dots.
Maybe just maybe an small LCD SCREEN with some sort of CAD drawing software to interpret what’s behind walls.
Could have many interesting good applications – law enforcement help to see if any loot found behind walls !
Electrical lines, plumbing and which way they are positioned.
Make it so !
🙂
Live~NRGY 
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