Data locking, one-key lock of the radiation value. 1 Piece Electromagnetic Radiation Detector. the closer you get to the object under test, the greater the electromagnetic radiation. - LCD display of the values for easier reading.
And if the area exists no stud, the red LED goes out with no "Di" sound. When sampling, the first red indicator on and make a short "drop" sound, that sampling is not successful. Power by: 1 x 9V 6F22 battery ( not included ).
This 2-In-1 Magnetic Stud Finder uses powerful rare earth magnets to pinpoint the exact location of screws or nails in a stud. This 2-In-1 Magnetic Stud Finder is easy to use and fits easily into any tool pouch.