NOYAFA NF-5101 stud finder wall scanner is used to find metals (magnetic/non-magnetic), wooden beams and electrified wires hidden in walls, ceilings and floors.
NF-5101 wall stud finder with three screen color
Green: the instrument detection calibration is complete, can be detected;
Yellow: the instrument detection mode is not calibrated or is being calibrated;
Red: the instrument detects the measured object.