Features: 1. 3‑in‑1, scanner stud detector for wood, metal, and AC wires. It can quickly locate and indicate the live AC wires, can detect the maximum depth of 0.71in (18 mm) studs, 1in(25mm) metal, 2in(50mm) live wires. 2. Easy to read, LCD digital display and continuous audible warning indicate you the position of the stud. 3. Easy to use, after the battery is installed, there will be a long beep when it is turned on. When it is automatically turned off, press the test button for 2 seconds to turn it on again. 4. Compact design, easy to carry and use, when the battery power is too low, the detector will send out a reminder. 5. There is an anti‑scratch pad on the back of the detector to prevent the product from scratching and affecting the appearance. Specification: Item Type: Metal Detector Material: ABS Weight: Approx. 202g/7.1oz Product Size: Approx. 17.5 x 8 x 3cm/6.9 x 3.1 x 1.2in Battery: 3 x AAA 1.5V Battery (Battery Not Included) Stud Detection Depth: Wood: Approx. 30 x 30mm/1.2 x 1.2in Metal Detection Depth: Iron Pipe: Approx. 25mm/1in AC Live Wire Detection Depth: Approx. 50mm/2in (AC 90-250V Live Wire), Frequency 50-60Hz Working Temperature and Humidity: -7℃-40℃, <75% Storage Temperature and Humidity: -20℃-50℃, <85% Package List: 1 x Metal Detector (Battery Not Included) 1 x Instruction Features Versatile 3-in-1 Scanner: Detects wood, metal, and AC wires with precision, allowing you to locate studs up to 0.71in (18mm) in depth, metal up to 1in (25mm), and live wires up to 2in (50mm). Clear LCD Display: Easily read and interpret scan results on the LCD digital display, while continuous audible warnings guide you to the exact position of the stud. User-Friendly Operation: Simply install the battery and power on the scanner to start scanning. Press the test button for 2 seconds to reactivate after automatic shutdown. Battery low reminder ensures uninterrupted usage. Compact and Portable Design: Carry and use the scanner effortlessly. Additionally, the anti-scratch pad on the back protects the appearance from any damage. Reliable Performance: Experience accurate and reliable scanning results every time, ensuring efficient and precise detection of studs, metal, and live wires.