It responded to every motion
“I knew it worked when I got a slight rise, so I motioned for it to back away and the monitor decreased. Then I told it to touch my phone and the meter skyrocketed to red, and every time I motioned for it to come close or back away, it did. I'm happy with it.”
A ghost hunter · from an App Store review
This experience was recorded in using Ghost Hunting Tools - Detector.