product infomation
"Detection: The Bosch GMS120 Digital Wall Scanner features multi-mode laser detection for wood studs, metal objects (rebar, studs and steel/copper pipes) and live wiring
Performance: Features the latest 3 sensor laser technology, offering a wide range of detection performance of up to 4 3/4 inches deep in cured concrete, up to 2 inches for live wiring, up to 3 1/8 inches for copper and up to 1 1/2 inches for wood studs; The accuracy of the product is 0.0625" - - - - - - - CHINA