General description This Wall Finder 4 in 1 Metal Detector is designed for precise detection of wood, metal, and AC wires within walls. It is ideal for tasks such as installing TVs, cabinets, and drilling holes, ensuring you can work safely and accurately. Technical specifications Detection modes: Stud Scan, Deep Mode, Metal Scan, AC Scan Wood and metal stud detection depth: 19 mm Maximum deep scan positioning depth: 38 mm Maximum metal detection depth: 60 mm AC wire detection depth: 51 mm Color: Black and silver Installation Calibrate the detector before each scan by selecting the mode and pressing the scan button. Calibration is complete when the dimming bar disappears and a beep sounds. In metal/AC mode, place the device in the air for calibration. Usage Use the stud scan to locate the center and edge of wood and metal studs. The display screen shows detection mode, signal strength, and direction indication. The buzzer intensity varies based on the distance to the target, allowing