1. Locate wood, metal studs, joists, beams, metal pipes, rebar & live AC wire behind walls, floors, ceilings. 2. 4 working modes: Non-metal / Metal / AC wire / Intergrated scan.
3. Large LCD display together with the big sound to detect the accurate location of stud metal AC wires. 4. Green: The detector has calibrated automatically and get read.
5. Yellow: Getting closer to the target.
6. Red: The center of the sensor was located.