Stud Finder Multifunction Wall Detector Scanner Lar Area Sensor For Metal Nonmetal AC Wire Finding With LCD Display And Beep 2Pc

Parameters:Power supply: 6F22 Type 9V battery (this product does not have a battery)Product size: 145x62x25mm Productweight: about 71g (without battery)Packa list:2*naked watch (without battery)1*Manual

• Metal detection Metal objects such as steel bars canbe detected on the wall
• When there are metal objects or other foreign objects under it, it will flash or sound. To t the accuracy of the test results, you can test it several times.
• This instrument is designed on the principle that the chan in the density of the substance below the surface of the detected object causes the frequency of the detector to chan.
• The maximum detection depth is 19mm below the surface of the uniform object, the error of the detection ran is 3mm, and the ran of the detected object cannot be less than 1200mm2
• Portable wall scanner can work on different wall surfaces, such as lath, wallpaper wood flooring, acoustic ceiling, painted walls, etc.