QLUUE Stud Finder Wall Scanner, 5 in 1 Electronic Stud Detector with Center Finding & Sound Warning, Beam Finder Wall Detector Stud Sensor for Wood/Beam/Joist/Pipe/AC Wire/Metal (9V Battery)

Key features

• Advanced Sensor Technology: This stud finder is equipped with upgraded intelligent sensor chip, which can find wood, pipes, metal and AC wires hidden in the walls accurately and rapidly. With this sensor chip, QUEUE wall scanner can not only find foreign objects, but also display the detection depth.
• 5 in 1 Multi-Function Detection: Exact stud scan, deep stud scan, non-ferrous metal scan, ferrous metal scan and AC wire scan, 5 detection modes provide users with all detection needs. The ferrous metal scan can detect up to 4.72 inch depth, however other detectors can only detect up to 2.36 inch.
• LCD Display & Audio Alarm: As the detector moves, the screen displays you the direction and signal strength, and the intensity of sound alarm alerts whether you are close to the target or not. And with back-lit screen, you never need to worry about dark area.
• Calibration: For more accurate detection results, it is important and necessary to calibrate before use. The detector calibrates automatically in stud mode. In metal detection mode, hand to lift the instrument into the air, and press the metal button, untill it shows no signal.
• Incorrect Usage: Due to the complex composition of bricks and concrete, it is inaccurate to detect foreign objects (wood, pipes, and AC wires) under the bricks and concrete.