WT55 wall scanner is used for quickly detection of magnetic metals in wall,rooftop and floor,such as reinforcing steels,iron pipes,and non magnetic metals such as aluminum pipes, copper,and nonmetal materials such beams,PVC water piper，as well as electrifided objects such as live wires.
This unit is a 3 in 1 metal/voltage/stud detector.it uses electionic signals to locate the exact position of studs，ceiling joist AC wires and metal through drywall,concrete and other common wall materials.
